129399820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{4861}}^1$

素因数の和:4903

約数の個数: 48

約数和(自身を含む): 298954656

約数和(自身を除く): 169554836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 1331, 2420, 2662, 4861, 5324, 6655, 9722, 13310, 19444, 24305, 26620, 48610, 53471, 97220, 106942, 213884, 267355, 534710, 588181, 1069420, 1176362, 2352724, 2940905, 5881810, 6469991, 11763620, 12939982, 25879964, 32349955, 64699910, 129399820]

約数ペア:

[(1, 129399820), (2, 64699910), (4, 32349955), (5, 25879964), (10, 12939982), (11, 11763620), (20, 6469991), (22, 5881810), (44, 2940905), (55, 2352724), (110, 1176362), (121, 1069420), (220, 588181), (242, 534710), (484, 267355), (605, 213884), (1210, 106942), (1331, 97220), (2420, 53471), (2662, 48610), (4861, 26620), (5324, 24305), (6655, 19444), (9722, 13310)]