90519940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{646571}}^1$

素因数の和:646587

約数の個数: 24

約数和(自身を含む): 217248192

約数和(自身を除く): 126728252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 646571, 1293142, 2586284, 3232855, 4525997, 6465710, 9051994, 12931420, 18103988, 22629985, 45259970, 90519940]

約数ペア:

[(1, 90519940), (2, 45259970), (4, 22629985), (5, 18103988), (7, 12931420), (10, 9051994), (14, 6465710), (20, 4525997), (28, 3232855), (35, 2586284), (70, 1293142), (140, 646571)]