449150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{691}}^1$

素因数の和:716

約数の個数: 24

約数和(自身を含む): 900984

約数和(自身を除く): 451834

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 691, 1382, 3455, 6910, 8983, 17275, 17966, 34550, 44915, 89830, 224575, 449150]

約数ペア:

[(1, 449150), (2, 224575), (5, 89830), (10, 44915), (13, 34550), (25, 17966), (26, 17275), (50, 8983), (65, 6910), (130, 3455), (325, 1382), (650, 691)]