1392620

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{389}}^1$

素因数の和:577

約数の個数: 24

約数和(自身を含む): 2948400

約数和(自身を除く): 1555780

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 389, 716, 778, 895, 1556, 1790, 1945, 3580, 3890, 7780, 69631, 139262, 278524, 348155, 696310, 1392620]

約数ペア:

[(1, 1392620), (2, 696310), (4, 348155), (5, 278524), (10, 139262), (20, 69631), (179, 7780), (358, 3890), (389, 3580), (716, 1945), (778, 1790), (895, 1556)]