742730

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{257}}^1$

素因数の和:298

約数の個数: 24

約数和(自身を含む): 1425708

約数和(自身を除く): 682978

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 257, 289, 514, 578, 1285, 1445, 2570, 2890, 4369, 8738, 21845, 43690, 74273, 148546, 371365, 742730]

約数ペア:

[(1, 742730), (2, 371365), (5, 148546), (10, 74273), (17, 43690), (34, 21845), (85, 8738), (170, 4369), (257, 2890), (289, 2570), (514, 1445), (578, 1285)]