139395460

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{1613}}^1$

素因数の和:1800

約数の個数: 48

約数和(自身を含む): 305046000

約数和(自身を除く): 165650540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 149, 290, 298, 580, 596, 745, 1490, 1613, 2980, 3226, 4321, 6452, 8065, 8642, 16130, 17284, 21605, 32260, 43210, 46777, 86420, 93554, 187108, 233885, 240337, 467770, 480674, 935540, 961348, 1201685, 2403370, 4806740, 6969773, 13939546, 27879092, 34848865, 69697730, 139395460]

約数ペア:

[(1, 139395460), (2, 69697730), (4, 34848865), (5, 27879092), (10, 13939546), (20, 6969773), (29, 4806740), (58, 2403370), (116, 1201685), (145, 961348), (149, 935540), (290, 480674), (298, 467770), (580, 240337), (596, 233885), (745, 187108), (1490, 93554), (1613, 86420), (2980, 46777), (3226, 43210), (4321, 32260), (6452, 21605), (8065, 17284), (8642, 16130)]