15205450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:331

約数の個数: 48

約数和(自身を含む): 30857400

約数和(自身を除く): 15651950

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 149, 157, 298, 314, 325, 650, 745, 785, 1490, 1570, 1937, 2041, 3725, 3874, 3925, 4082, 7450, 7850, 9685, 10205, 19370, 20410, 23393, 46786, 48425, 51025, 96850, 102050, 116965, 233930, 304109, 584825, 608218, 1169650, 1520545, 3041090, 7602725, 15205450]

約数ペア:

[(1, 15205450), (2, 7602725), (5, 3041090), (10, 1520545), (13, 1169650), (25, 608218), (26, 584825), (50, 304109), (65, 233930), (130, 116965), (149, 102050), (157, 96850), (298, 51025), (314, 48425), (325, 46786), (650, 23393), (745, 20410), (785, 19370), (1490, 10205), (1570, 9685), (1937, 7850), (2041, 7450), (3725, 4082), (3874, 3925)]