7920190

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{881}}^1$

素因数の和:948

約数の個数: 32

約数和(自身を含む): 15240960

約数和(自身を除く): 7320770

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 145, 155, 290, 310, 881, 899, 1762, 1798, 4405, 4495, 8810, 8990, 25549, 27311, 51098, 54622, 127745, 136555, 255490, 273110, 792019, 1584038, 3960095, 7920190]

約数ペア:

[(1, 7920190), (2, 3960095), (5, 1584038), (10, 792019), (29, 273110), (31, 255490), (58, 136555), (62, 127745), (145, 54622), (155, 51098), (290, 27311), (310, 25549), (881, 8990), (899, 8810), (1762, 4495), (1798, 4405)]