16875740

素因数分解:

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

素因数の和:974

約数の個数: 48

約数和(自身を含む): 40824000

約数和(自身を除く): 23948260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 809, 1043, 1490, 1618, 2086, 2980, 3236, 4045, 4172, 5215, 5663, 8090, 10430, 11326, 16180, 20860, 22652, 28315, 56630, 113260, 120541, 241082, 482164, 602705, 843787, 1205410, 1687574, 2410820, 3375148, 4218935, 8437870, 16875740]

約数ペア:

[(1, 16875740), (2, 8437870), (4, 4218935), (5, 3375148), (7, 2410820), (10, 1687574), (14, 1205410), (20, 843787), (28, 602705), (35, 482164), (70, 241082), (140, 120541), (149, 113260), (298, 56630), (596, 28315), (745, 22652), (809, 20860), (1043, 16180), (1490, 11326), (1618, 10430), (2086, 8090), (2980, 5663), (3236, 5215), (4045, 4172)]