68779240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{90499}}^1$

素因数の和:90529

約数の個数: 32

約数和(自身を含む): 162900000

約数和(自身を除く): 94120760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 90499, 180998, 361996, 452495, 723992, 904990, 1719481, 1809980, 3438962, 3619960, 6877924, 8597405, 13755848, 17194810, 34389620, 68779240]

約数ペア:

[(1, 68779240), (2, 34389620), (4, 17194810), (5, 13755848), (8, 8597405), (10, 6877924), (19, 3619960), (20, 3438962), (38, 1809980), (40, 1719481), (76, 904990), (95, 723992), (152, 452495), (190, 361996), (380, 180998), (760, 90499)]