7449980

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2081}}^1$

素因数の和:2269

約数の個数: 24

約数和(自身を含む): 15739920

約数和(自身を除く): 8289940

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 2081, 3580, 4162, 8324, 10405, 20810, 41620, 372499, 744998, 1489996, 1862495, 3724990, 7449980]

約数ペア:

[(1, 7449980), (2, 3724990), (4, 1862495), (5, 1489996), (10, 744998), (20, 372499), (179, 41620), (358, 20810), (716, 10405), (895, 8324), (1790, 4162), (2081, 3580)]