385173940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{4457}}^1$

素因数の和:4644

約数の個数: 48

約数和(自身を含む): 842562000

約数和(自身を除く): 457388060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 149, 290, 298, 580, 596, 745, 1490, 2980, 4321, 4457, 8642, 8914, 17284, 17828, 21605, 22285, 43210, 44570, 86420, 89140, 129253, 258506, 517012, 646265, 664093, 1292530, 1328186, 2585060, 2656372, 3320465, 6640930, 13281860, 19258697, 38517394, 77034788, 96293485, 192586970, 385173940]

約数ペア:

[(1, 385173940), (2, 192586970), (4, 96293485), (5, 77034788), (10, 38517394), (20, 19258697), (29, 13281860), (58, 6640930), (116, 3320465), (145, 2656372), (149, 2585060), (290, 1328186), (298, 1292530), (580, 664093), (596, 646265), (745, 517012), (1490, 258506), (2980, 129253), (4321, 89140), (4457, 86420), (8642, 44570), (8914, 43210), (17284, 22285), (17828, 21605)]