487640

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 1118880

約数和(自身を除く): 631240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 167, 292, 334, 365, 584, 668, 730, 835, 1336, 1460, 1670, 2920, 3340, 6680, 12191, 24382, 48764, 60955, 97528, 121910, 243820, 487640]

約数ペア:

[(1, 487640), (2, 243820), (4, 121910), (5, 97528), (8, 60955), (10, 48764), (20, 24382), (40, 12191), (73, 6680), (146, 3340), (167, 2920), (292, 1670), (334, 1460), (365, 1336), (584, 835), (668, 730)]