90372440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2351}}^1$

素因数の和:2424

約数の個数: 48

約数和(自身を含む): 210198240

約数和(自身を除く): 119825800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1922, 2351, 3844, 4702, 4805, 7688, 9404, 9610, 11755, 18808, 19220, 23510, 38440, 47020, 72881, 94040, 145762, 291524, 364405, 583048, 728810, 1457620, 2259311, 2915240, 4518622, 9037244, 11296555, 18074488, 22593110, 45186220, 90372440]

約数ペア:

[(1, 90372440), (2, 45186220), (4, 22593110), (5, 18074488), (8, 11296555), (10, 9037244), (20, 4518622), (31, 2915240), (40, 2259311), (62, 1457620), (124, 728810), (155, 583048), (248, 364405), (310, 291524), (620, 145762), (961, 94040), (1240, 72881), (1922, 47020), (2351, 38440), (3844, 23510), (4702, 19220), (4805, 18808), (7688, 11755), (9404, 9610)]