901323140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{4027}}^1$

素因数の和:4105

約数の個数: 72

約数和(自身を含む): 2062593792

約数和(自身を除く): 1161270652

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 361, 380, 589, 620, 722, 1178, 1444, 1805, 2356, 2945, 3610, 4027, 5890, 7220, 8054, 11191, 11780, 16108, 20135, 22382, 40270, 44764, 55955, 76513, 80540, 111910, 124837, 153026, 223820, 249674, 306052, 382565, 499348, 624185, 765130, 1248370, 1453747, 1530260, 2371903, 2496740, 2907494, 4743806, 5814988, 7268735, 9487612, 11859515, 14537470, 23719030, 29074940, 45066157, 47438060, 90132314, 180264628, 225330785, 450661570, 901323140]

約数ペア:

[(1, 901323140), (2, 450661570), (4, 225330785), (5, 180264628), (10, 90132314), (19, 47438060), (20, 45066157), (31, 29074940), (38, 23719030), (62, 14537470), (76, 11859515), (95, 9487612), (124, 7268735), (155, 5814988), (190, 4743806), (310, 2907494), (361, 2496740), (380, 2371903), (589, 1530260), (620, 1453747), (722, 1248370), (1178, 765130), (1444, 624185), (1805, 499348), (2356, 382565), (2945, 306052), (3610, 249674), (4027, 223820), (5890, 153026), (7220, 124837), (8054, 111910), (11191, 80540), (11780, 76513), (16108, 55955), (20135, 44764), (22382, 40270)]