280348510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{74363}}^1$

素因数の和:74412

約数の個数: 32

約数和(自身を含む): 562191840

約数和(自身を除く): 281843330

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 74363, 148726, 371815, 743630, 966719, 1933438, 2156527, 4313054, 4833595, 9667190, 10782635, 21565270, 28034851, 56069702, 140174255, 280348510]

約数ペア:

[(1, 280348510), (2, 140174255), (5, 56069702), (10, 28034851), (13, 21565270), (26, 10782635), (29, 9667190), (58, 4833595), (65, 4313054), (130, 2156527), (145, 1933438), (290, 966719), (377, 743630), (754, 371815), (1885, 148726), (3770, 74363)]