1640802730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{3348577}}^1$

素因数の和:3348598

約数の個数: 24

約数和(自身を含む): 3435641028

約数和(自身を除く): 1794838298

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 3348577, 6697154, 16742885, 23440039, 33485770, 46880078, 117200195, 164080273, 234400390, 328160546, 820401365, 1640802730]

約数ペア:

[(1, 1640802730), (2, 820401365), (5, 328160546), (7, 234400390), (10, 164080273), (14, 117200195), (35, 46880078), (49, 33485770), (70, 23440039), (98, 16742885), (245, 6697154), (490, 3348577)]