399622860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{787}}^1$

素因数の和:853

約数の個数: 288

約数和(自身を含む): 1542008832

約数和(自身を除く): 1142385972

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 31, 35, 36, 39, 42, 45, 52, 60, 62, 63, 65, 70, 78, 84, 90, 91, 93, 105, 117, 124, 126, 130, 140, 155, 156, 180, 182, 186, 195, 210, 217, 234, 252, 260, 273, 279, 310, 315, 364, 372, 390, 403, 420, 434, 455, 465, 468, 546, 558, 585, 620, 630, 651, 780, 787, 806, 819, 868, 910, 930, 1085, 1092, 1116, 1170, 1209, 1260, 1302, 1365, 1395, 1574, 1612, 1638, 1820, 1860, 1953, 2015, 2170, 2340, 2361, 2418, 2604, 2730, 2790, 2821, 3148, 3255, 3276, 3627, 3906, 3935, 4030, 4095, 4340, 4722, 4836, 5460, 5509, 5580, 5642, 6045, 6510, 7083, 7254, 7812, 7870, 8060, 8190, 8463, 9444, 9765, 10231, 11018, 11284, 11805, 12090, 13020, 14105, 14166, 14508, 15740, 16380, 16527, 16926, 18135, 19530, 20462, 22036, 23610, 24180, 24397, 25389, 27545, 28210, 28332, 30693, 33054, 33852, 35415, 36270, 39060, 40924, 42315, 47220, 48794, 49581, 50778, 51155, 55090, 56420, 61386, 66108, 70830, 71617, 72540, 73191, 82635, 84630, 92079, 97588, 99162, 101556, 102310, 110180, 121985, 122772, 126945, 141660, 143234, 146382, 153465, 165270, 169260, 170779, 184158, 198324, 204620, 214851, 219573, 243970, 247905, 253890, 286468, 292764, 306930, 317161, 330540, 341558, 358085, 365955, 368316, 429702, 439146, 460395, 487940, 495810, 507780, 512337, 613860, 634322, 644553, 683116, 716170, 731910, 853895, 859404, 878292, 920790, 951483, 991620, 1024674, 1074255, 1097865, 1268644, 1289106, 1432340, 1463820, 1537011, 1585805, 1707790, 1841580, 1902966, 2049348, 2148510, 2195730, 2220127, 2561685, 2578212, 2854449, 3074022, 3171610, 3222765, 3415580, 3805932, 4297020, 4391460, 4440254, 4757415, 5123370, 5708898, 6148044, 6343220, 6445530, 6660381, 7685055, 8880508, 9514830, 10246740, 11100635, 11417796, 12891060, 13320762, 14272245, 15370110, 19029660, 19981143, 22201270, 26641524, 28544490, 30740220, 33301905, 39962286, 44402540, 57088980, 66603810, 79924572, 99905715, 133207620, 199811430, 399622860]

約数ペア:

[(1, 399622860), (2, 199811430), (3, 133207620), (4, 99905715), (5, 79924572), (6, 66603810), (7, 57088980), (9, 44402540), (10, 39962286), (12, 33301905), (13, 30740220), (14, 28544490), (15, 26641524), (18, 22201270), (20, 19981143), (21, 19029660), (26, 15370110), (28, 14272245), (30, 13320762), (31, 12891060), (35, 11417796), (36, 11100635), (39, 10246740), (42, 9514830), (45, 8880508), (52, 7685055), (60, 6660381), (62, 6445530), (63, 6343220), (65, 6148044), (70, 5708898), (78, 5123370), (84, 4757415), (90, 4440254), (91, 4391460), (93, 4297020), (105, 3805932), (117, 3415580), (124, 3222765), (126, 3171610), (130, 3074022), (140, 2854449), (155, 2578212), (156, 2561685), (180, 2220127), (182, 2195730), (186, 2148510), (195, 2049348), (210, 1902966), (217, 1841580), (234, 1707790), (252, 1585805), (260, 1537011), (273, 1463820), (279, 1432340), (310, 1289106), (315, 1268644), (364, 1097865), (372, 1074255), (390, 1024674), (403, 991620), (420, 951483), (434, 920790), (455, 878292), (465, 859404), (468, 853895), (546, 731910), (558, 716170), (585, 683116), (620, 644553), (630, 634322), (651, 613860), (780, 512337), (787, 507780), (806, 495810), (819, 487940), (868, 460395), (910, 439146), (930, 429702), (1085, 368316), (1092, 365955), (1116, 358085), (1170, 341558), (1209, 330540), (1260, 317161), (1302, 306930), (1365, 292764), (1395, 286468), (1574, 253890), (1612, 247905), (1638, 243970), (1820, 219573), (1860, 214851), (1953, 204620), (2015, 198324), (2170, 184158), (2340, 170779), (2361, 169260), (2418, 165270), (2604, 153465), (2730, 146382), (2790, 143234), (2821, 141660), (3148, 126945), (3255, 122772), (3276, 121985), (3627, 110180), (3906, 102310), (3935, 101556), (4030, 99162), (4095, 97588), (4340, 92079), (4722, 84630), (4836, 82635), (5460, 73191), (5509, 72540), (5580, 71617), (5642, 70830), (6045, 66108), (6510, 61386), (7083, 56420), (7254, 55090), (7812, 51155), (7870, 50778), (8060, 49581), (8190, 48794), (8463, 47220), (9444, 42315), (9765, 40924), (10231, 39060), (11018, 36270), (11284, 35415), (11805, 33852), (12090, 33054), (13020, 30693), (14105, 28332), (14166, 28210), (14508, 27545), (15740, 25389), (16380, 24397), (16527, 24180), (16926, 23610), (18135, 22036), (19530, 20462)]