1308220

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:597

約数の個数: 24

約数和(自身を含む): 2772000

約数和(自身を除く): 1463780

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 439, 596, 745, 878, 1490, 1756, 2195, 2980, 4390, 8780, 65411, 130822, 261644, 327055, 654110, 1308220]

約数ペア:

[(1, 1308220), (2, 654110), (4, 327055), (5, 261644), (10, 130822), (20, 65411), (149, 8780), (298, 4390), (439, 2980), (596, 2195), (745, 1756), (878, 1490)]