289783340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{188171}}^1$

素因数の和:188198

約数の個数: 48

約数和(自身を含む): 758709504

約数和(自身を除く): 468926164

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 188171, 376342, 752684, 940855, 1317197, 1881710, 2069881, 2634394, 3763420, 4139762, 5268788, 6585985, 8279524, 10349405, 13171970, 14489167, 20698810, 26343940, 28978334, 41397620, 57956668, 72445835, 144891670, 289783340]

約数ペア:

[(1, 289783340), (2, 144891670), (4, 72445835), (5, 57956668), (7, 41397620), (10, 28978334), (11, 26343940), (14, 20698810), (20, 14489167), (22, 13171970), (28, 10349405), (35, 8279524), (44, 6585985), (55, 5268788), (70, 4139762), (77, 3763420), (110, 2634394), (140, 2069881), (154, 1881710), (220, 1317197), (308, 940855), (385, 752684), (770, 376342), (1540, 188171)]