142740185

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{347}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 211372416

約数和(自身を除く): 68632231

約数列:

[1, 5, 7, 23, 35, 49, 73, 115, 161, 245, 347, 365, 511, 805, 1127, 1679, 1735, 2429, 2555, 3577, 5635, 7981, 8395, 11753, 12145, 17003, 17885, 25331, 39905, 55867, 58765, 82271, 85015, 126655, 177317, 279335, 391069, 411355, 582613, 886585, 1241219, 1955345, 2913065, 4078291, 6206095, 20391455, 28548037, 142740185]

約数ペア:

[(1, 142740185), (5, 28548037), (7, 20391455), (23, 6206095), (35, 4078291), (49, 2913065), (73, 1955345), (115, 1241219), (161, 886585), (245, 582613), (347, 411355), (365, 391069), (511, 279335), (805, 177317), (1127, 126655), (1679, 85015), (1735, 82271), (2429, 58765), (2555, 55867), (3577, 39905), (5635, 25331), (7981, 17885), (8395, 17003), (11753, 12145)]