8207990

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{2393}}^1$

素因数の和:2421

約数の個数: 32

約数和(自身を含む): 17236800

約数和(自身を除く): 9028810

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 2393, 3430, 4786, 11965, 16751, 23930, 33502, 83755, 117257, 167510, 234514, 586285, 820799, 1172570, 1641598, 4103995, 8207990]

約数ペア:

[(1, 8207990), (2, 4103995), (5, 1641598), (7, 1172570), (10, 820799), (14, 586285), (35, 234514), (49, 167510), (70, 117257), (98, 83755), (245, 33502), (343, 23930), (490, 16751), (686, 11965), (1715, 4786), (2393, 3430)]