402798980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{694481}}^1$

素因数の和:694519

約数の個数: 24

約数和(自身を含む): 875047320

約数和(自身を除く): 472248340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 694481, 1388962, 2777924, 3472405, 6944810, 13889620, 20139949, 40279898, 80559796, 100699745, 201399490, 402798980]

約数ペア:

[(1, 402798980), (2, 201399490), (4, 100699745), (5, 80559796), (10, 40279898), (20, 20139949), (29, 13889620), (58, 6944810), (116, 3472405), (145, 2777924), (290, 1388962), (580, 694481)]