397788740

素因数分解:

$2^2\times 5^1\times {\mathrm{5189}}^1\times {\mathrm{3833}}^1$

素因数の和:9031

約数の個数: 24

約数和(自身を含む): 835735320

約数和(自身を除く): 437946580

約数列:

[1, 2, 4, 5, 10, 20, 3833, 5189, 7666, 10378, 15332, 19165, 20756, 25945, 38330, 51890, 76660, 103780, 19889437, 39778874, 79557748, 99447185, 198894370, 397788740]

約数ペア:

[(1, 397788740), (2, 198894370), (4, 99447185), (5, 79557748), (10, 39778874), (20, 19889437), (3833, 103780), (5189, 76660), (7666, 51890), (10378, 38330), (15332, 25945), (19165, 20756)]