755067620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1\times {\mathrm{1373}}^1$

素因数の和:2300

約数の個数: 48

約数和(自身を含む): 1639830528

約数和(自身を除く): 884762908

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 887, 1373, 1774, 2746, 3548, 4435, 5492, 6865, 8870, 13730, 17740, 27460, 27497, 42563, 54994, 85126, 109988, 137485, 170252, 212815, 274970, 425630, 549940, 851260, 1217851, 2435702, 4871404, 6089255, 12178510, 24357020, 37753381, 75506762, 151013524, 188766905, 377533810, 755067620]

約数ペア:

[(1, 755067620), (2, 377533810), (4, 188766905), (5, 151013524), (10, 75506762), (20, 37753381), (31, 24357020), (62, 12178510), (124, 6089255), (155, 4871404), (310, 2435702), (620, 1217851), (887, 851260), (1373, 549940), (1774, 425630), (2746, 274970), (3548, 212815), (4435, 170252), (5492, 137485), (6865, 109988), (8870, 85126), (13730, 54994), (17740, 42563), (27460, 27497)]