157460840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^2\times {\mathrm{2129}}^1$

素因数の和:2226

約数の個数: 48

約数和(自身を含む): 362888100

約数和(自身を除く): 205427260

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 1849, 2129, 3698, 4258, 7396, 8516, 9245, 10645, 14792, 17032, 18490, 21290, 36980, 42580, 73960, 85160, 91547, 183094, 366188, 457735, 732376, 915470, 1830940, 3661880, 3936521, 7873042, 15746084, 19682605, 31492168, 39365210, 78730420, 157460840]

約数ペア:

[(1, 157460840), (2, 78730420), (4, 39365210), (5, 31492168), (8, 19682605), (10, 15746084), (20, 7873042), (40, 3936521), (43, 3661880), (86, 1830940), (172, 915470), (215, 732376), (344, 457735), (430, 366188), (860, 183094), (1720, 91547), (1849, 85160), (2129, 73960), (3698, 42580), (4258, 36980), (7396, 21290), (8516, 18490), (9245, 17032), (10645, 14792)]