493846120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1\times {\mathrm{887}}^1$

素因数の和:1378

約数の個数: 64

約数和(自身を含む): 1150848000

約数和(自身を除く): 657001880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 449, 620, 887, 898, 1240, 1774, 1796, 2245, 3548, 3592, 4435, 4490, 7096, 8870, 8980, 13919, 17740, 17960, 27497, 27838, 35480, 54994, 55676, 69595, 109988, 111352, 137485, 139190, 219976, 274970, 278380, 398263, 549940, 556760, 796526, 1099880, 1593052, 1991315, 3186104, 3982630, 7965260, 12346153, 15930520, 24692306, 49384612, 61730765, 98769224, 123461530, 246923060, 493846120]

約数ペア:

[(1, 493846120), (2, 246923060), (4, 123461530), (5, 98769224), (8, 61730765), (10, 49384612), (20, 24692306), (31, 15930520), (40, 12346153), (62, 7965260), (124, 3982630), (155, 3186104), (248, 1991315), (310, 1593052), (449, 1099880), (620, 796526), (887, 556760), (898, 549940), (1240, 398263), (1774, 278380), (1796, 274970), (2245, 219976), (3548, 139190), (3592, 137485), (4435, 111352), (4490, 109988), (7096, 69595), (8870, 55676), (8980, 54994), (13919, 35480), (17740, 27838), (17960, 27497)]