142612540

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{20789}}^1$

素因数の和:20819

約数の個数: 48

約数和(自身を含む): 349272000

約数和(自身を除く): 206659460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 20789, 41578, 83156, 103945, 145523, 207890, 291046, 415780, 582092, 727615, 1018661, 1455230, 2037322, 2910460, 4074644, 5093305, 7130627, 10186610, 14261254, 20373220, 28522508, 35653135, 71306270, 142612540]

約数ペア:

[(1, 142612540), (2, 71306270), (4, 35653135), (5, 28522508), (7, 20373220), (10, 14261254), (14, 10186610), (20, 7130627), (28, 5093305), (35, 4074644), (49, 2910460), (70, 2037322), (98, 1455230), (140, 1018661), (196, 727615), (245, 582092), (343, 415780), (490, 291046), (686, 207890), (980, 145523), (1372, 103945), (1715, 83156), (3430, 41578), (6860, 20789)]