868157480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{700127}}^1$

素因数の和:700169

約数の個数: 32

約数和(自身を含む): 2016368640

約数和(自身を除く): 1148211160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 700127, 1400254, 2800508, 3500635, 5601016, 7001270, 14002540, 21703937, 28005080, 43407874, 86815748, 108519685, 173631496, 217039370, 434078740, 868157480]

約数ペア:

[(1, 868157480), (2, 434078740), (4, 217039370), (5, 173631496), (8, 108519685), (10, 86815748), (20, 43407874), (31, 28005080), (40, 21703937), (62, 14002540), (124, 7001270), (155, 5601016), (248, 3500635), (310, 2800508), (620, 1400254), (1240, 700127)]