478812460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3420089}}^1$

素因数の和:3420105

約数の個数: 24

約数和(自身を含む): 1149150240

約数和(自身を除く): 670337780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3420089, 6840178, 13680356, 17100445, 23940623, 34200890, 47881246, 68401780, 95762492, 119703115, 239406230, 478812460]

約数ペア:

[(1, 478812460), (2, 239406230), (4, 119703115), (5, 95762492), (7, 68401780), (10, 47881246), (14, 34200890), (20, 23940623), (28, 17100445), (35, 13680356), (70, 6840178), (140, 3420089)]