257979690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{2866441}}^1$

素因数の和:2866454

約数の個数: 24

約数和(自身を含む): 670747428

約数和(自身を除く): 412767738

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 2866441, 5732882, 8599323, 14332205, 17198646, 25797969, 28664410, 42996615, 51595938, 85993230, 128989845, 257979690]

約数ペア:

[(1, 257979690), (2, 128989845), (3, 85993230), (5, 51595938), (6, 42996615), (9, 28664410), (10, 25797969), (15, 17198646), (18, 14332205), (30, 8599323), (45, 5732882), (90, 2866441)]