17768380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{18131}}^1$

素因数の和:18154

約数の個数: 36

約数和(自身を含む): 43408008

約数和(自身を除く): 25639628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 18131, 36262, 72524, 90655, 126917, 181310, 253834, 362620, 507668, 634585, 888419, 1269170, 1776838, 2538340, 3553676, 4442095, 8884190, 17768380]

約数ペア:

[(1, 17768380), (2, 8884190), (4, 4442095), (5, 3553676), (7, 2538340), (10, 1776838), (14, 1269170), (20, 888419), (28, 634585), (35, 507668), (49, 362620), (70, 253834), (98, 181310), (140, 126917), (196, 90655), (245, 72524), (490, 36262), (980, 18131)]