87847420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{719}}^1$

素因数の和:918

約数の個数: 48

約数和(自身を含む): 190512000

約数和(自身を除く): 102664580

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 149, 164, 205, 298, 410, 596, 719, 745, 820, 1438, 1490, 2876, 2980, 3595, 6109, 7190, 12218, 14380, 24436, 29479, 30545, 58958, 61090, 107131, 117916, 122180, 147395, 214262, 294790, 428524, 535655, 589580, 1071310, 2142620, 4392371, 8784742, 17569484, 21961855, 43923710, 87847420]

約数ペア:

[(1, 87847420), (2, 43923710), (4, 21961855), (5, 17569484), (10, 8784742), (20, 4392371), (41, 2142620), (82, 1071310), (149, 589580), (164, 535655), (205, 428524), (298, 294790), (410, 214262), (596, 147395), (719, 122180), (745, 117916), (820, 107131), (1438, 61090), (1490, 58958), (2876, 30545), (2980, 29479), (3595, 24436), (6109, 14380), (7190, 12218)]