84138200

素因数分解:

$2^3\times 5^2\times {\mathrm{420691}}^1$

素因数の和:420707

約数の個数: 24

約数和(自身を含む): 195621780

約数和(自身を除く): 111483580

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 420691, 841382, 1682764, 2103455, 3365528, 4206910, 8413820, 10517275, 16827640, 21034550, 42069100, 84138200]

約数ペア:

[(1, 84138200), (2, 42069100), (4, 21034550), (5, 16827640), (8, 10517275), (10, 8413820), (20, 4206910), (25, 3365528), (40, 2103455), (50, 1682764), (100, 841382), (200, 420691)]