774800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:180

約数の個数: 60

約数和(自身を含む): 2018100

約数和(自身を除く): 1243300

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 149, 200, 208, 260, 298, 325, 400, 520, 596, 650, 745, 1040, 1192, 1300, 1490, 1937, 2384, 2600, 2980, 3725, 3874, 5200, 5960, 7450, 7748, 9685, 11920, 14900, 15496, 19370, 29800, 30992, 38740, 48425, 59600, 77480, 96850, 154960, 193700, 387400, 774800]

約数ペア:

[(1, 774800), (2, 387400), (4, 193700), (5, 154960), (8, 96850), (10, 77480), (13, 59600), (16, 48425), (20, 38740), (25, 30992), (26, 29800), (40, 19370), (50, 15496), (52, 14900), (65, 11920), (80, 9685), (100, 7748), (104, 7450), (130, 5960), (149, 5200), (200, 3874), (208, 3725), (260, 2980), (298, 2600), (325, 2384), (400, 1937), (520, 1490), (596, 1300), (650, 1192), (745, 1040)]