203414960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{809}}^1$

素因数の和:1278

約数の個数: 80

約数和(自身を含む): 542376000

約数和(自身を除く): 338961040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 449, 560, 809, 898, 1618, 1796, 2245, 3143, 3236, 3592, 4045, 4490, 5663, 6286, 6472, 7184, 8090, 8980, 11326, 12572, 12944, 15715, 16180, 17960, 22652, 25144, 28315, 31430, 32360, 35920, 45304, 50288, 56630, 62860, 64720, 90608, 113260, 125720, 226520, 251440, 363241, 453040, 726482, 1452964, 1816205, 2542687, 2905928, 3632410, 5085374, 5811856, 7264820, 10170748, 12713435, 14529640, 20341496, 25426870, 29059280, 40682992, 50853740, 101707480, 203414960]

約数ペア:

[(1, 203414960), (2, 101707480), (4, 50853740), (5, 40682992), (7, 29059280), (8, 25426870), (10, 20341496), (14, 14529640), (16, 12713435), (20, 10170748), (28, 7264820), (35, 5811856), (40, 5085374), (56, 3632410), (70, 2905928), (80, 2542687), (112, 1816205), (140, 1452964), (280, 726482), (449, 453040), (560, 363241), (809, 251440), (898, 226520), (1618, 125720), (1796, 113260), (2245, 90608), (3143, 64720), (3236, 62860), (3592, 56630), (4045, 50288), (4490, 45304), (5663, 35920), (6286, 32360), (6472, 31430), (7184, 28315), (8090, 25144), (8980, 22652), (11326, 17960), (12572, 16180), (12944, 15715)]