71318780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{14437}}^1$

素因数の和:14478

約数の個数: 48

約数和(自身を含む): 169790880

約数和(自身を除く): 98472100

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 14437, 28874, 57748, 72185, 144370, 187681, 274303, 288740, 375362, 548606, 750724, 938405, 1097212, 1371515, 1876810, 2743030, 3565939, 3753620, 5486060, 7131878, 14263756, 17829695, 35659390, 71318780]

約数ペア:

[(1, 71318780), (2, 35659390), (4, 17829695), (5, 14263756), (10, 7131878), (13, 5486060), (19, 3753620), (20, 3565939), (26, 2743030), (38, 1876810), (52, 1371515), (65, 1097212), (76, 938405), (95, 750724), (130, 548606), (190, 375362), (247, 288740), (260, 274303), (380, 187681), (494, 144370), (988, 72185), (1235, 57748), (2470, 28874), (4940, 14437)]