489010

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{619}}^1$

素因数の和:705

約数の個数: 16

約数和(自身を含む): 892800

約数和(自身を除く): 403790

約数列:

[1, 2, 5, 10, 79, 158, 395, 619, 790, 1238, 3095, 6190, 48901, 97802, 244505, 489010]

約数ペア:

[(1, 489010), (2, 244505), (5, 97802), (10, 48901), (79, 6190), (158, 3095), (395, 1238), (619, 790)]