251018710

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{419}}^1\times {\mathrm{431}}^1$

素因数の和:996

約数の個数: 32

約数和(自身を含む): 457228800

約数和(自身を除く): 206210090

約数列:

[1, 2, 5, 10, 139, 278, 419, 431, 695, 838, 862, 1390, 2095, 2155, 4190, 4310, 58241, 59909, 116482, 119818, 180589, 291205, 299545, 361178, 582410, 599090, 902945, 1805890, 25101871, 50203742, 125509355, 251018710]

約数ペア:

[(1, 251018710), (2, 125509355), (5, 50203742), (10, 25101871), (139, 1805890), (278, 902945), (419, 599090), (431, 582410), (695, 361178), (838, 299545), (862, 291205), (1390, 180589), (2095, 119818), (2155, 116482), (4190, 59909), (4310, 58241)]