396140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{683}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 861840

約数和(自身を除く): 465700

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 683, 1366, 2732, 3415, 6830, 13660, 19807, 39614, 79228, 99035, 198070, 396140]

約数ペア:

[(1, 396140), (2, 198070), (4, 99035), (5, 79228), (10, 39614), (20, 19807), (29, 13660), (58, 6830), (116, 3415), (145, 2732), (290, 1366), (580, 683)]