118154020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1279}}^1$

素因数の和:1468

約数の個数: 48

約数和(自身を含む): 258048000

約数和(自身を除く): 139893980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 149, 155, 298, 310, 596, 620, 745, 1279, 1490, 2558, 2980, 4619, 5116, 6395, 9238, 12790, 18476, 23095, 25580, 39649, 46190, 79298, 92380, 158596, 190571, 198245, 381142, 396490, 762284, 792980, 952855, 1905710, 3811420, 5907701, 11815402, 23630804, 29538505, 59077010, 118154020]

約数ペア:

[(1, 118154020), (2, 59077010), (4, 29538505), (5, 23630804), (10, 11815402), (20, 5907701), (31, 3811420), (62, 1905710), (124, 952855), (149, 792980), (155, 762284), (298, 396490), (310, 381142), (596, 198245), (620, 190571), (745, 158596), (1279, 92380), (1490, 79298), (2558, 46190), (2980, 39649), (4619, 25580), (5116, 23095), (6395, 18476), (9238, 12790)]