2197480

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 4992840

約数和(自身を除く): 2795360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 401, 548, 685, 802, 1096, 1370, 1604, 2005, 2740, 3208, 4010, 5480, 8020, 16040, 54937, 109874, 219748, 274685, 439496, 549370, 1098740, 2197480]

約数ペア:

[(1, 2197480), (2, 1098740), (4, 549370), (5, 439496), (8, 274685), (10, 219748), (20, 109874), (40, 54937), (137, 16040), (274, 8020), (401, 5480), (548, 4010), (685, 3208), (802, 2740), (1096, 2005), (1370, 1604)]