253710380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{881}}^1$

素因数の和:936

約数の個数: 144

約数和(自身を含む): 709466688

約数和(自身を除く): 455756308

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 68, 70, 77, 85, 110, 119, 121, 140, 154, 170, 187, 220, 238, 242, 308, 340, 374, 385, 476, 484, 595, 605, 748, 770, 847, 881, 935, 1190, 1210, 1309, 1540, 1694, 1762, 1870, 2057, 2380, 2420, 2618, 3388, 3524, 3740, 4114, 4235, 4405, 5236, 6167, 6545, 8228, 8470, 8810, 9691, 10285, 12334, 13090, 14399, 14977, 16940, 17620, 19382, 20570, 24668, 26180, 28798, 29954, 30835, 38764, 41140, 48455, 57596, 59908, 61670, 67837, 71995, 74885, 96910, 104839, 106601, 123340, 135674, 143990, 149770, 164747, 193820, 209678, 213202, 271348, 287980, 299540, 329494, 339185, 419356, 426404, 524195, 533005, 658988, 678370, 746207, 823735, 1048390, 1066010, 1153229, 1356740, 1492414, 1647470, 1812217, 2096780, 2132020, 2306458, 2984828, 3294940, 3624434, 3731035, 4612916, 5766145, 7248868, 7462070, 9061085, 11532290, 12685519, 14924140, 18122170, 23064580, 25371038, 36244340, 50742076, 63427595, 126855190, 253710380]

約数ペア:

[(1, 253710380), (2, 126855190), (4, 63427595), (5, 50742076), (7, 36244340), (10, 25371038), (11, 23064580), (14, 18122170), (17, 14924140), (20, 12685519), (22, 11532290), (28, 9061085), (34, 7462070), (35, 7248868), (44, 5766145), (55, 4612916), (68, 3731035), (70, 3624434), (77, 3294940), (85, 2984828), (110, 2306458), (119, 2132020), (121, 2096780), (140, 1812217), (154, 1647470), (170, 1492414), (187, 1356740), (220, 1153229), (238, 1066010), (242, 1048390), (308, 823735), (340, 746207), (374, 678370), (385, 658988), (476, 533005), (484, 524195), (595, 426404), (605, 419356), (748, 339185), (770, 329494), (847, 299540), (881, 287980), (935, 271348), (1190, 213202), (1210, 209678), (1309, 193820), (1540, 164747), (1694, 149770), (1762, 143990), (1870, 135674), (2057, 123340), (2380, 106601), (2420, 104839), (2618, 96910), (3388, 74885), (3524, 71995), (3740, 67837), (4114, 61670), (4235, 59908), (4405, 57596), (5236, 48455), (6167, 41140), (6545, 38764), (8228, 30835), (8470, 29954), (8810, 28798), (9691, 26180), (10285, 24668), (12334, 20570), (13090, 19382), (14399, 17620), (14977, 16940)]