905293870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{240131}}^1$

素因数の和:240180

約数の個数: 32

約数和(自身を含む): 1815397920

約数和(自身を除く): 910104050

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 240131, 480262, 1200655, 2401310, 3121703, 6243406, 6963799, 13927598, 15608515, 31217030, 34818995, 69637990, 90529387, 181058774, 452646935, 905293870]

約数ペア:

[(1, 905293870), (2, 452646935), (5, 181058774), (10, 90529387), (13, 69637990), (26, 34818995), (29, 31217030), (58, 15608515), (65, 13927598), (130, 6963799), (145, 6243406), (290, 3121703), (377, 2401310), (754, 1200655), (1885, 480262), (3770, 240131)]