198400020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:247

約数の個数: 288

約数和(自身を含む): 723945600

約数和(自身を除く): 525545580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 29, 30, 35, 39, 42, 49, 52, 58, 60, 65, 70, 78, 84, 87, 91, 98, 105, 116, 130, 140, 145, 147, 156, 174, 179, 182, 195, 196, 203, 210, 245, 260, 273, 290, 294, 348, 358, 364, 377, 390, 406, 420, 435, 455, 490, 537, 546, 580, 588, 609, 637, 716, 735, 754, 780, 812, 870, 895, 910, 980, 1015, 1074, 1092, 1131, 1218, 1253, 1274, 1365, 1421, 1470, 1508, 1740, 1790, 1820, 1885, 1911, 2030, 2148, 2262, 2327, 2436, 2506, 2548, 2639, 2685, 2730, 2842, 2940, 3045, 3185, 3580, 3759, 3770, 3822, 4060, 4263, 4524, 4654, 5012, 5191, 5278, 5370, 5460, 5655, 5684, 6090, 6265, 6370, 6981, 7105, 7518, 7540, 7644, 7917, 8526, 8771, 9308, 9555, 10382, 10556, 10740, 11310, 11635, 12180, 12530, 12740, 13195, 13962, 14210, 15036, 15573, 15834, 16289, 17052, 17542, 18473, 18795, 19110, 20764, 21315, 22620, 23270, 25060, 25955, 26313, 26390, 27924, 28420, 31146, 31668, 32578, 34905, 35084, 36337, 36946, 37590, 38220, 39585, 42630, 43855, 46540, 48867, 51910, 52626, 52780, 55419, 62292, 65156, 67483, 69810, 72674, 73892, 75180, 77865, 79170, 81445, 85260, 87710, 92365, 97734, 103820, 105252, 109011, 110838, 114023, 131565, 134966, 139620, 145348, 155730, 158340, 162890, 175420, 181685, 184730, 195468, 202449, 218022, 221676, 228046, 244335, 254359, 263130, 269932, 277095, 311460, 325780, 337415, 342069, 363370, 369460, 404898, 436044, 456092, 472381, 488670, 508718, 526260, 545055, 554190, 570115, 674830, 684138, 726740, 763077, 809796, 944762, 977340, 1012245, 1017436, 1090110, 1108380, 1140230, 1271795, 1349660, 1368276, 1417143, 1526154, 1710345, 1889524, 2024490, 2180220, 2280460, 2361905, 2543590, 2834286, 3052308, 3306667, 3420690, 3815385, 4048980, 4723810, 5087180, 5668572, 6613334, 6841380, 7085715, 7630770, 9447620, 9920001, 13226668, 14171430, 15261540, 16533335, 19840002, 28342860, 33066670, 39680004, 49600005, 66133340, 99200010, 198400020]

約数ペア:

[(1, 198400020), (2, 99200010), (3, 66133340), (4, 49600005), (5, 39680004), (6, 33066670), (7, 28342860), (10, 19840002), (12, 16533335), (13, 15261540), (14, 14171430), (15, 13226668), (20, 9920001), (21, 9447620), (26, 7630770), (28, 7085715), (29, 6841380), (30, 6613334), (35, 5668572), (39, 5087180), (42, 4723810), (49, 4048980), (52, 3815385), (58, 3420690), (60, 3306667), (65, 3052308), (70, 2834286), (78, 2543590), (84, 2361905), (87, 2280460), (91, 2180220), (98, 2024490), (105, 1889524), (116, 1710345), (130, 1526154), (140, 1417143), (145, 1368276), (147, 1349660), (156, 1271795), (174, 1140230), (179, 1108380), (182, 1090110), (195, 1017436), (196, 1012245), (203, 977340), (210, 944762), (245, 809796), (260, 763077), (273, 726740), (290, 684138), (294, 674830), (348, 570115), (358, 554190), (364, 545055), (377, 526260), (390, 508718), (406, 488670), (420, 472381), (435, 456092), (455, 436044), (490, 404898), (537, 369460), (546, 363370), (580, 342069), (588, 337415), (609, 325780), (637, 311460), (716, 277095), (735, 269932), (754, 263130), (780, 254359), (812, 244335), (870, 228046), (895, 221676), (910, 218022), (980, 202449), (1015, 195468), (1074, 184730), (1092, 181685), (1131, 175420), (1218, 162890), (1253, 158340), (1274, 155730), (1365, 145348), (1421, 139620), (1470, 134966), (1508, 131565), (1740, 114023), (1790, 110838), (1820, 109011), (1885, 105252), (1911, 103820), (2030, 97734), (2148, 92365), (2262, 87710), (2327, 85260), (2436, 81445), (2506, 79170), (2548, 77865), (2639, 75180), (2685, 73892), (2730, 72674), (2842, 69810), (2940, 67483), (3045, 65156), (3185, 62292), (3580, 55419), (3759, 52780), (3770, 52626), (3822, 51910), (4060, 48867), (4263, 46540), (4524, 43855), (4654, 42630), (5012, 39585), (5191, 38220), (5278, 37590), (5370, 36946), (5460, 36337), (5655, 35084), (5684, 34905), (6090, 32578), (6265, 31668), (6370, 31146), (6981, 28420), (7105, 27924), (7518, 26390), (7540, 26313), (7644, 25955), (7917, 25060), (8526, 23270), (8771, 22620), (9308, 21315), (9555, 20764), (10382, 19110), (10556, 18795), (10740, 18473), (11310, 17542), (11635, 17052), (12180, 16289), (12530, 15834), (12740, 15573), (13195, 15036), (13962, 14210)]