628945990

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1\times {\mathrm{1979}}^1$

素因数の和:2568

約数の個数: 32

約数和(自身を含む): 1153452960

約数和(自身を除く): 524506970

約数列:

[1, 2, 5, 10, 61, 122, 305, 521, 610, 1042, 1979, 2605, 3958, 5210, 9895, 19790, 31781, 63562, 120719, 158905, 241438, 317810, 603595, 1031059, 1207190, 2062118, 5155295, 10310590, 62894599, 125789198, 314472995, 628945990]

約数ペア:

[(1, 628945990), (2, 314472995), (5, 125789198), (10, 62894599), (61, 10310590), (122, 5155295), (305, 2062118), (521, 1207190), (610, 1031059), (1042, 603595), (1979, 317810), (2605, 241438), (3958, 158905), (5210, 120719), (9895, 63562), (19790, 31781)]