413780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1217}}^1$

素因数の和:1243

約数の個数: 24

約数和(自身を含む): 920808

約数和(自身を除く): 507028

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1217, 2434, 4868, 6085, 12170, 20689, 24340, 41378, 82756, 103445, 206890, 413780]

約数ペア:

[(1, 413780), (2, 206890), (4, 103445), (5, 82756), (10, 41378), (17, 24340), (20, 20689), (34, 12170), (68, 6085), (85, 4868), (170, 2434), (340, 1217)]