86892380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{521}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 189423360

約数和(自身を除く): 102530980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 269, 310, 521, 538, 620, 1042, 1076, 1345, 2084, 2605, 2690, 5210, 5380, 8339, 10420, 16151, 16678, 32302, 33356, 41695, 64604, 80755, 83390, 140149, 161510, 166780, 280298, 323020, 560596, 700745, 1401490, 2802980, 4344619, 8689238, 17378476, 21723095, 43446190, 86892380]

約数ペア:

[(1, 86892380), (2, 43446190), (4, 21723095), (5, 17378476), (10, 8689238), (20, 4344619), (31, 2802980), (62, 1401490), (124, 700745), (155, 560596), (269, 323020), (310, 280298), (521, 166780), (538, 161510), (620, 140149), (1042, 83390), (1076, 80755), (1345, 64604), (2084, 41695), (2605, 33356), (2690, 32302), (5210, 16678), (5380, 16151), (8339, 10420)]