699140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2689}}^1$

素因数の和:2711

約数の個数: 24

約数和(自身を含む): 1581720

約数和(自身を除く): 882580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2689, 5378, 10756, 13445, 26890, 34957, 53780, 69914, 139828, 174785, 349570, 699140]

約数ペア:

[(1, 699140), (2, 349570), (4, 174785), (5, 139828), (10, 69914), (13, 53780), (20, 34957), (26, 26890), (52, 13445), (65, 10756), (130, 5378), (260, 2689)]