255485590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1\times {\mathrm{2131}}^1$

素因数の和:2788

約数の個数: 32

約数和(自身を含む): 485072640

約数和(自身を除く): 229587050

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 631, 1262, 2131, 3155, 4262, 6310, 10655, 11989, 21310, 23978, 40489, 59945, 80978, 119890, 202445, 404890, 1344661, 2689322, 6723305, 13446610, 25548559, 51097118, 127742795, 255485590]

約数ペア:

[(1, 255485590), (2, 127742795), (5, 51097118), (10, 25548559), (19, 13446610), (38, 6723305), (95, 2689322), (190, 1344661), (631, 404890), (1262, 202445), (2131, 119890), (3155, 80978), (4262, 59945), (6310, 40489), (10655, 23978), (11989, 21310)]