90521060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{13757}}^1$

素因数の和:13820

約数の個数: 48

約数和(自身を含む): 221889024

約数和(自身を除く): 131367964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 13757, 27514, 55028, 68785, 96299, 137570, 192598, 275140, 385196, 481495, 646579, 962990, 1293158, 1925980, 2586316, 3232895, 4526053, 6465790, 9052106, 12931580, 18104212, 22630265, 45260530, 90521060]

約数ペア:

[(1, 90521060), (2, 45260530), (4, 22630265), (5, 18104212), (7, 12931580), (10, 9052106), (14, 6465790), (20, 4526053), (28, 3232895), (35, 2586316), (47, 1925980), (70, 1293158), (94, 962990), (140, 646579), (188, 481495), (235, 385196), (329, 275140), (470, 192598), (658, 137570), (940, 96299), (1316, 68785), (1645, 55028), (3290, 27514), (6580, 13757)]