19911137260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{367}}^1$

素因数の和:525

約数の個数: 288

約数和(自身を含む): 53282396160

約数和(自身を除く): 33371258900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 29, 35, 46, 49, 58, 70, 83, 92, 98, 115, 116, 140, 145, 161, 166, 196, 203, 230, 245, 290, 322, 332, 367, 406, 415, 460, 490, 580, 581, 644, 667, 734, 805, 812, 830, 980, 1015, 1127, 1162, 1334, 1421, 1468, 1610, 1660, 1835, 1909, 2030, 2254, 2324, 2407, 2569, 2668, 2842, 2905, 3220, 3335, 3670, 3818, 4060, 4067, 4508, 4669, 4814, 5138, 5635, 5684, 5810, 6670, 7105, 7340, 7636, 8134, 8441, 9338, 9545, 9628, 10276, 10643, 11270, 11620, 12035, 12845, 13340, 13363, 14210, 16268, 16849, 16882, 17983, 18676, 19090, 20335, 21286, 22540, 23345, 24070, 25690, 26726, 28420, 30461, 32683, 33698, 33764, 35966, 38180, 40670, 42205, 42572, 46690, 48140, 51380, 53215, 53452, 55361, 59087, 60922, 65366, 66815, 67396, 71932, 74501, 81340, 84245, 84410, 89915, 93380, 93541, 106430, 110722, 117943, 118174, 121844, 130732, 133630, 149002, 152305, 163415, 168490, 168820, 179830, 187082, 212860, 213227, 221444, 235886, 236348, 244789, 267260, 276805, 295435, 298004, 304610, 326830, 336980, 359660, 372505, 374164, 387527, 413609, 426454, 467705, 471772, 489578, 521507, 553610, 589715, 590870, 609220, 653660, 700603, 745010, 775054, 827218, 852908, 883369, 935410, 979156, 1043014, 1066135, 1107220, 1179430, 1181740, 1223945, 1401206, 1490020, 1492589, 1550108, 1654436, 1713523, 1766738, 1870820, 1937635, 2068045, 2086028, 2132270, 2358860, 2447890, 2607535, 2712689, 2802412, 2985178, 3427046, 3503015, 3533476, 3875270, 4136090, 4264540, 4416845, 4895780, 4904221, 5215070, 5425378, 5970356, 6183583, 6854092, 7006030, 7462945, 7750540, 8272180, 8567615, 8833690, 9808442, 10430140, 10850756, 11994661, 12367166, 13563445, 14012060, 14925890, 17135230, 17667380, 19616884, 20317487, 23989322, 24521105, 24734332, 27126890, 29851780, 30917915, 34270460, 34329547, 40634974, 43285081, 47978644, 49042210, 54253780, 59973305, 61835830, 68659094, 81269948, 86570162, 98084420, 101587435, 119946610, 123671660, 137318188, 142222409, 171647735, 173140324, 203174870, 216425405, 239893220, 284444818, 343295470, 406349740, 432850810, 568889636, 686590940, 711112045, 865701620, 995556863, 1422224090, 1991113726, 2844448180, 3982227452, 4977784315, 9955568630, 19911137260]

約数ペア:

[(1, 19911137260), (2, 9955568630), (4, 4977784315), (5, 3982227452), (7, 2844448180), (10, 1991113726), (14, 1422224090), (20, 995556863), (23, 865701620), (28, 711112045), (29, 686590940), (35, 568889636), (46, 432850810), (49, 406349740), (58, 343295470), (70, 284444818), (83, 239893220), (92, 216425405), (98, 203174870), (115, 173140324), (116, 171647735), (140, 142222409), (145, 137318188), (161, 123671660), (166, 119946610), (196, 101587435), (203, 98084420), (230, 86570162), (245, 81269948), (290, 68659094), (322, 61835830), (332, 59973305), (367, 54253780), (406, 49042210), (415, 47978644), (460, 43285081), (490, 40634974), (580, 34329547), (581, 34270460), (644, 30917915), (667, 29851780), (734, 27126890), (805, 24734332), (812, 24521105), (830, 23989322), (980, 20317487), (1015, 19616884), (1127, 17667380), (1162, 17135230), (1334, 14925890), (1421, 14012060), (1468, 13563445), (1610, 12367166), (1660, 11994661), (1835, 10850756), (1909, 10430140), (2030, 9808442), (2254, 8833690), (2324, 8567615), (2407, 8272180), (2569, 7750540), (2668, 7462945), (2842, 7006030), (2905, 6854092), (3220, 6183583), (3335, 5970356), (3670, 5425378), (3818, 5215070), (4060, 4904221), (4067, 4895780), (4508, 4416845), (4669, 4264540), (4814, 4136090), (5138, 3875270), (5635, 3533476), (5684, 3503015), (5810, 3427046), (6670, 2985178), (7105, 2802412), (7340, 2712689), (7636, 2607535), (8134, 2447890), (8441, 2358860), (9338, 2132270), (9545, 2086028), (9628, 2068045), (10276, 1937635), (10643, 1870820), (11270, 1766738), (11620, 1713523), (12035, 1654436), (12845, 1550108), (13340, 1492589), (13363, 1490020), (14210, 1401206), (16268, 1223945), (16849, 1181740), (16882, 1179430), (17983, 1107220), (18676, 1066135), (19090, 1043014), (20335, 979156), (21286, 935410), (22540, 883369), (23345, 852908), (24070, 827218), (25690, 775054), (26726, 745010), (28420, 700603), (30461, 653660), (32683, 609220), (33698, 590870), (33764, 589715), (35966, 553610), (38180, 521507), (40670, 489578), (42205, 471772), (42572, 467705), (46690, 426454), (48140, 413609), (51380, 387527), (53215, 374164), (53452, 372505), (55361, 359660), (59087, 336980), (60922, 326830), (65366, 304610), (66815, 298004), (67396, 295435), (71932, 276805), (74501, 267260), (81340, 244789), (84245, 236348), (84410, 235886), (89915, 221444), (93380, 213227), (93541, 212860), (106430, 187082), (110722, 179830), (117943, 168820), (118174, 168490), (121844, 163415), (130732, 152305), (133630, 149002)]