129122290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61781}}^1$

素因数の和:61818

約数の個数: 32

約数和(自身を含む): 266898240

約数和(自身を除く): 137775950

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 61781, 123562, 308905, 617810, 679591, 1173839, 1359182, 2347678, 3397955, 5869195, 6795910, 11738390, 12912229, 25824458, 64561145, 129122290]

約数ペア:

[(1, 129122290), (2, 64561145), (5, 25824458), (10, 12912229), (11, 11738390), (19, 6795910), (22, 5869195), (38, 3397955), (55, 2347678), (95, 1359182), (110, 1173839), (190, 679591), (209, 617810), (418, 308905), (1045, 123562), (2090, 61781)]