289281320

素因数分解:

$2^3\times 5^1\times {\mathrm{1033}}^1\times {\mathrm{7001}}^1$

素因数の和:8045

約数の個数: 32

約数和(自身を含む): 651606120

約数和(自身を除く): 362324800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1033, 2066, 4132, 5165, 7001, 8264, 10330, 14002, 20660, 28004, 35005, 41320, 56008, 70010, 140020, 280040, 7232033, 14464066, 28928132, 36160165, 57856264, 72320330, 144640660, 289281320]

約数ペア:

[(1, 289281320), (2, 144640660), (4, 72320330), (5, 57856264), (8, 36160165), (10, 28928132), (20, 14464066), (40, 7232033), (1033, 280040), (2066, 140020), (4132, 70010), (5165, 56008), (7001, 41320), (8264, 35005), (10330, 28004), (14002, 20660)]