257454428

素因数分解:

$2^2\times 7^4\times {\mathrm{11}}^1\times {\mathrm{2437}}^1$

素因数の和:2480

約数の個数: 60

約数和(自身を含む): 573622392

約数和(自身を除く): 316167964

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 343, 539, 686, 1078, 1372, 2156, 2401, 2437, 3773, 4802, 4874, 7546, 9604, 9748, 15092, 17059, 26411, 26807, 34118, 52822, 53614, 68236, 105644, 107228, 119413, 187649, 238826, 375298, 477652, 750596, 835891, 1313543, 1671782, 2627086, 3343564, 5254172, 5851237, 9194801, 11702474, 18389602, 23404948, 36779204, 64363607, 128727214, 257454428]

約数ペア:

[(1, 257454428), (2, 128727214), (4, 64363607), (7, 36779204), (11, 23404948), (14, 18389602), (22, 11702474), (28, 9194801), (44, 5851237), (49, 5254172), (77, 3343564), (98, 2627086), (154, 1671782), (196, 1313543), (308, 835891), (343, 750596), (539, 477652), (686, 375298), (1078, 238826), (1372, 187649), (2156, 119413), (2401, 107228), (2437, 105644), (3773, 68236), (4802, 53614), (4874, 52822), (7546, 34118), (9604, 26807), (9748, 26411), (15092, 17059)]