770642020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{17027}}^1$

素因数の和:17140

約数の個数: 48

約数和(自身を含む): 1693536768

約数和(自身を除く): 922894748

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 73, 124, 146, 155, 292, 310, 365, 620, 730, 1460, 2263, 4526, 9052, 11315, 17027, 22630, 34054, 45260, 68108, 85135, 170270, 340540, 527837, 1055674, 1242971, 2111348, 2485942, 2639185, 4971884, 5278370, 6214855, 10556740, 12429710, 24859420, 38532101, 77064202, 154128404, 192660505, 385321010, 770642020]

約数ペア:

[(1, 770642020), (2, 385321010), (4, 192660505), (5, 154128404), (10, 77064202), (20, 38532101), (31, 24859420), (62, 12429710), (73, 10556740), (124, 6214855), (146, 5278370), (155, 4971884), (292, 2639185), (310, 2485942), (365, 2111348), (620, 1242971), (730, 1055674), (1460, 527837), (2263, 340540), (4526, 170270), (9052, 85135), (11315, 68108), (17027, 45260), (22630, 34054)]