90518990

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{769}}^1$

素因数の和:1004

約数の個数: 32

約数和(自身を含む): 166320000

約数和(自身を除く): 75801010

約数列:

[1, 2, 5, 10, 79, 149, 158, 298, 395, 745, 769, 790, 1490, 1538, 3845, 7690, 11771, 23542, 58855, 60751, 114581, 117710, 121502, 229162, 303755, 572905, 607510, 1145810, 9051899, 18103798, 45259495, 90518990]

約数ペア:

[(1, 90518990), (2, 45259495), (5, 18103798), (10, 9051899), (79, 1145810), (149, 607510), (158, 572905), (298, 303755), (395, 229162), (745, 121502), (769, 117710), (790, 114581), (1490, 60751), (1538, 58855), (3845, 23542), (7690, 11771)]