78005450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{523}}^1$

素因数の和:711

約数の個数: 48

約数和(自身を含む): 153993120

約数和(自身を除く): 75987670

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 157, 190, 314, 475, 523, 785, 950, 1046, 1570, 2615, 2983, 3925, 5230, 5966, 7850, 9937, 13075, 14915, 19874, 26150, 29830, 49685, 74575, 82111, 99370, 149150, 164222, 248425, 410555, 496850, 821110, 1560109, 2052775, 3120218, 4105550, 7800545, 15601090, 39002725, 78005450]

約数ペア:

[(1, 78005450), (2, 39002725), (5, 15601090), (10, 7800545), (19, 4105550), (25, 3120218), (38, 2052775), (50, 1560109), (95, 821110), (157, 496850), (190, 410555), (314, 248425), (475, 164222), (523, 149150), (785, 99370), (950, 82111), (1046, 74575), (1570, 49685), (2615, 29830), (2983, 26150), (3925, 19874), (5230, 14915), (5966, 13075), (7850, 9937)]