308990890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{859}}^1\times {\mathrm{2767}}^1$

素因数の和:3646

約数の個数: 32

約数和(自身を含む): 599880960

約数和(自身を除く): 290890070

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 859, 1718, 2767, 4295, 5534, 8590, 11167, 13835, 22334, 27670, 35971, 55835, 71942, 111670, 179855, 359710, 2376853, 4753706, 11884265, 23768530, 30899089, 61798178, 154495445, 308990890]

約数ペア:

[(1, 308990890), (2, 154495445), (5, 61798178), (10, 30899089), (13, 23768530), (26, 11884265), (65, 4753706), (130, 2376853), (859, 359710), (1718, 179855), (2767, 111670), (4295, 71942), (5534, 55835), (8590, 35971), (11167, 27670), (13835, 22334)]