442321780

素因数分解:

$2^2\times 5^1\times {\mathrm{1667}}^1\times {\mathrm{13267}}^1$

素因数の和:14943

約数の個数: 24

約数和(自身を含む): 929503008

約数和(自身を除く): 487181228

約数列:

[1, 2, 4, 5, 10, 20, 1667, 3334, 6668, 8335, 13267, 16670, 26534, 33340, 53068, 66335, 132670, 265340, 22116089, 44232178, 88464356, 110580445, 221160890, 442321780]

約数ペア:

[(1, 442321780), (2, 221160890), (4, 110580445), (5, 88464356), (10, 44232178), (20, 22116089), (1667, 265340), (3334, 132670), (6668, 66335), (8335, 53068), (13267, 33340), (16670, 26534)]