138387100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{44641}}^1$

素因数の和:44686

約数の個数: 36

約数和(自身を含む): 309994048

約数和(自身を除く): 171606948

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 44641, 89282, 178564, 223205, 446410, 892820, 1116025, 1383871, 2232050, 2767742, 4464100, 5535484, 6919355, 13838710, 27677420, 34596775, 69193550, 138387100]

約数ペア:

[(1, 138387100), (2, 69193550), (4, 34596775), (5, 27677420), (10, 13838710), (20, 6919355), (25, 5535484), (31, 4464100), (50, 2767742), (62, 2232050), (100, 1383871), (124, 1116025), (155, 892820), (310, 446410), (620, 223205), (775, 178564), (1550, 89282), (3100, 44641)]