740860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2179}}^1$

素因数の和:2205

約数の個数: 24

約数和(自身を含む): 1648080

約数和(自身を除く): 907220

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 2179, 4358, 8716, 10895, 21790, 37043, 43580, 74086, 148172, 185215, 370430, 740860]

約数ペア:

[(1, 740860), (2, 370430), (4, 185215), (5, 148172), (10, 74086), (17, 43580), (20, 37043), (34, 21790), (68, 10895), (85, 8716), (170, 4358), (340, 2179)]