507339220

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{161573}}^1$

素因数の和:161739

約数の個数: 24

約数和(自身を含む): 1072205064

約数和(自身を除く): 564865844

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 161573, 323146, 646292, 807865, 1615730, 3231460, 25366961, 50733922, 101467844, 126834805, 253669610, 507339220]

約数ペア:

[(1, 507339220), (2, 253669610), (4, 126834805), (5, 101467844), (10, 50733922), (20, 25366961), (157, 3231460), (314, 1615730), (628, 807865), (785, 646292), (1570, 323146), (3140, 161573)]