389611070

素因数分解:

$2^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{90397}}^1$

素因数の和:90835

約数の個数: 16

約数和(自身を含む): 702934848

約数和(自身を除く): 313323778

約数列:

[1, 2, 5, 10, 431, 862, 2155, 4310, 90397, 180794, 451985, 903970, 38961107, 77922214, 194805535, 389611070]

約数ペア:

[(1, 389611070), (2, 194805535), (5, 77922214), (10, 38961107), (431, 903970), (862, 451985), (2155, 180794), (4310, 90397)]