698649980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4990357}}^1$

素因数の和:4990373

約数の個数: 24

約数和(自身を含む): 1676760288

約数和(自身を除く): 978110308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4990357, 9980714, 19961428, 24951785, 34932499, 49903570, 69864998, 99807140, 139729996, 174662495, 349324990, 698649980]

約数ペア:

[(1, 698649980), (2, 349324990), (4, 174662495), (5, 139729996), (7, 99807140), (10, 69864998), (14, 49903570), (20, 34932499), (28, 24951785), (35, 19961428), (70, 9980714), (140, 4990357)]