90831890

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{60961}}^1$

素因数の和:61117

約数の個数: 16

約数和(自身を含む): 164597400

約数和(自身を除く): 73765510

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 60961, 121922, 304805, 609610, 9083189, 18166378, 45415945, 90831890]

約数ペア:

[(1, 90831890), (2, 45415945), (5, 18166378), (10, 9083189), (149, 609610), (298, 304805), (745, 121922), (1490, 60961)]