649981210

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1\times {\mathrm{1151}}^1$

素因数の和:1686

約数の個数: 32

約数和(自身を含む): 1181952000

約数和(自身を除く): 531970790

約数列:

[1, 2, 5, 10, 149, 298, 379, 745, 758, 1151, 1490, 1895, 2302, 3790, 5755, 11510, 56471, 112942, 171499, 282355, 342998, 436229, 564710, 857495, 872458, 1714990, 2181145, 4362290, 64998121, 129996242, 324990605, 649981210]

約数ペア:

[(1, 649981210), (2, 324990605), (5, 129996242), (10, 64998121), (149, 4362290), (298, 2181145), (379, 1714990), (745, 872458), (758, 857495), (1151, 564710), (1490, 436229), (1895, 342998), (2302, 282355), (3790, 171499), (5755, 112942), (11510, 56471)]