291890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{101}}^1$

素因数の和:142

約数の個数: 24

約数和(自身を含む): 563652

約数和(自身を除く): 271762

約数列:

[1, 2, 5, 10, 17, 34, 85, 101, 170, 202, 289, 505, 578, 1010, 1445, 1717, 2890, 3434, 8585, 17170, 29189, 58378, 145945, 291890]

約数ペア:

[(1, 291890), (2, 145945), (5, 58378), (10, 29189), (17, 17170), (34, 8585), (85, 3434), (101, 2890), (170, 1717), (202, 1445), (289, 1010), (505, 578)]