90416090

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{37831}}^1$

素因数の和:38077

約数の個数: 16

約数和(自身を含む): 163434240

約数和(自身を除く): 73018150

約数列:

[1, 2, 5, 10, 239, 478, 1195, 2390, 37831, 75662, 189155, 378310, 9041609, 18083218, 45208045, 90416090]

約数ペア:

[(1, 90416090), (2, 45208045), (5, 18083218), (10, 9041609), (239, 378310), (478, 189155), (1195, 75662), (2390, 37831)]