239137400

素因数分解:

$2^3\times 5^2\times {\mathrm{449}}^1\times {\mathrm{2663}}^1$

素因数の和:3128

約数の個数: 48

約数和(自身を含む): 557442000

約数和(自身を除く): 318304600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 449, 898, 1796, 2245, 2663, 3592, 4490, 5326, 8980, 10652, 11225, 13315, 17960, 21304, 22450, 26630, 44900, 53260, 66575, 89800, 106520, 133150, 266300, 532600, 1195687, 2391374, 4782748, 5978435, 9565496, 11956870, 23913740, 29892175, 47827480, 59784350, 119568700, 239137400]

約数ペア:

[(1, 239137400), (2, 119568700), (4, 59784350), (5, 47827480), (8, 29892175), (10, 23913740), (20, 11956870), (25, 9565496), (40, 5978435), (50, 4782748), (100, 2391374), (200, 1195687), (449, 532600), (898, 266300), (1796, 133150), (2245, 106520), (2663, 89800), (3592, 66575), (4490, 53260), (5326, 44900), (8980, 26630), (10652, 22450), (11225, 21304), (13315, 17960)]