1098740

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:547

約数の個数: 24

約数和(自身を含む): 2329992

約数和(自身を除く): 1231252

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 401, 548, 685, 802, 1370, 1604, 2005, 2740, 4010, 8020, 54937, 109874, 219748, 274685, 549370, 1098740]

約数ペア:

[(1, 1098740), (2, 549370), (4, 274685), (5, 219748), (10, 109874), (20, 54937), (137, 8020), (274, 4010), (401, 2740), (548, 2005), (685, 1604), (802, 1370)]