400271928

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{311}}^1$

素因数の和:537

約数の個数: 128

約数和(自身を含む): 1178910720

約数和(自身を除く): 778638792

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 47, 56, 84, 94, 141, 163, 168, 188, 282, 311, 326, 329, 376, 489, 564, 622, 652, 658, 933, 978, 987, 1128, 1141, 1244, 1304, 1316, 1866, 1956, 1974, 2177, 2282, 2488, 2632, 3423, 3732, 3912, 3948, 4354, 4564, 6531, 6846, 7464, 7661, 7896, 8708, 9128, 13062, 13692, 14617, 15322, 17416, 22983, 26124, 27384, 29234, 30644, 43851, 45966, 50693, 52248, 53627, 58468, 61288, 87702, 91932, 101386, 102319, 107254, 116936, 152079, 160881, 175404, 183864, 202772, 204638, 214508, 304158, 306957, 321762, 350808, 354851, 405544, 409276, 429016, 608316, 613914, 643524, 709702, 818552, 1064553, 1216632, 1227828, 1287048, 1419404, 2129106, 2382571, 2455656, 2838808, 4258212, 4765142, 7147713, 8516424, 9530284, 14295426, 16677997, 19060568, 28590852, 33355994, 50033991, 57181704, 66711988, 100067982, 133423976, 200135964, 400271928]

約数ペア:

[(1, 400271928), (2, 200135964), (3, 133423976), (4, 100067982), (6, 66711988), (7, 57181704), (8, 50033991), (12, 33355994), (14, 28590852), (21, 19060568), (24, 16677997), (28, 14295426), (42, 9530284), (47, 8516424), (56, 7147713), (84, 4765142), (94, 4258212), (141, 2838808), (163, 2455656), (168, 2382571), (188, 2129106), (282, 1419404), (311, 1287048), (326, 1227828), (329, 1216632), (376, 1064553), (489, 818552), (564, 709702), (622, 643524), (652, 613914), (658, 608316), (933, 429016), (978, 409276), (987, 405544), (1128, 354851), (1141, 350808), (1244, 321762), (1304, 306957), (1316, 304158), (1866, 214508), (1956, 204638), (1974, 202772), (2177, 183864), (2282, 175404), (2488, 160881), (2632, 152079), (3423, 116936), (3732, 107254), (3912, 102319), (3948, 101386), (4354, 91932), (4564, 87702), (6531, 61288), (6846, 58468), (7464, 53627), (7661, 52248), (7896, 50693), (8708, 45966), (9128, 43851), (13062, 30644), (13692, 29234), (14617, 27384), (15322, 26124), (17416, 22983)]