388977290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{103177}}^1$

素因数の和:103226

約数の個数: 32

約数和(自身を含む): 780025680

約数和(自身を除く): 391048390

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 103177, 206354, 515885, 1031770, 1341301, 2682602, 2992133, 5984266, 6706505, 13413010, 14960665, 29921330, 38897729, 77795458, 194488645, 388977290]

約数ペア:

[(1, 388977290), (2, 194488645), (5, 77795458), (10, 38897729), (13, 29921330), (26, 14960665), (29, 13413010), (58, 6706505), (65, 5984266), (130, 2992133), (145, 2682602), (290, 1341301), (377, 1031770), (754, 515885), (1885, 206354), (3770, 103177)]