141997480

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{15919}}^1$

素因数の和:16153

約数の個数: 32

約数和(自身を含む): 320947200

約数和(自身を除く): 178949720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 15919, 31838, 63676, 79595, 127352, 159190, 318380, 636760, 3549937, 7099874, 14199748, 17749685, 28399496, 35499370, 70998740, 141997480]

約数ペア:

[(1, 141997480), (2, 70998740), (4, 35499370), (5, 28399496), (8, 17749685), (10, 14199748), (20, 7099874), (40, 3549937), (223, 636760), (446, 318380), (892, 159190), (1115, 127352), (1784, 79595), (2230, 63676), (4460, 31838), (8920, 15919)]