8437870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{809}}^1$

素因数の和:972

約数の個数: 32

約数和(自身を含む): 17496000

約数和(自身を除く): 9058130

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 298, 745, 809, 1043, 1490, 1618, 2086, 4045, 5215, 5663, 8090, 10430, 11326, 28315, 56630, 120541, 241082, 602705, 843787, 1205410, 1687574, 4218935, 8437870]

約数ペア:

[(1, 8437870), (2, 4218935), (5, 1687574), (7, 1205410), (10, 843787), (14, 602705), (35, 241082), (70, 120541), (149, 56630), (298, 28315), (745, 11326), (809, 10430), (1043, 8090), (1490, 5663), (1618, 5215), (2086, 4045)]