90109510

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1\times {\mathrm{571}}^1$

素因数の和:988

約数の個数: 32

約数和(自身を含む): 166712832

約数和(自身を除く): 76603322

約数列:

[1, 2, 5, 10, 43, 86, 215, 367, 430, 571, 734, 1142, 1835, 2855, 3670, 5710, 15781, 24553, 31562, 49106, 78905, 122765, 157810, 209557, 245530, 419114, 1047785, 2095570, 9010951, 18021902, 45054755, 90109510]

約数ペア:

[(1, 90109510), (2, 45054755), (5, 18021902), (10, 9010951), (43, 2095570), (86, 1047785), (215, 419114), (367, 245530), (430, 209557), (571, 157810), (734, 122765), (1142, 78905), (1835, 49106), (2855, 31562), (3670, 24553), (5710, 15781)]