289492040

素因数分解:

$2^3\times 5^1\times {\mathrm{7237301}}^1$

素因数の和:7237312

約数の個数: 16

約数和(自身を含む): 651357180

約数和(自身を除く): 361865140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7237301, 14474602, 28949204, 36186505, 57898408, 72373010, 144746020, 289492040]

約数ペア:

[(1, 289492040), (2, 144746020), (4, 72373010), (5, 57898408), (8, 36186505), (10, 28949204), (20, 14474602), (40, 7237301)]