163741340

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{23869}}^1$

素因数の和:23899

約数の個数: 48

約数和(自身を含む): 401016000

約数和(自身を除く): 237274660

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, 23869, 47738, 95476, 119345, 167083, 238690, 334166, 477380, 668332, 835415, 1169581, 1670830, 2339162, 3341660, 4678324, 5847905, 8187067, 11695810, 16374134, 23391620, 32748268, 40935335, 81870670, 163741340]

約数ペア:

[(1, 163741340), (2, 81870670), (4, 40935335), (5, 32748268), (7, 23391620), (10, 16374134), (14, 11695810), (20, 8187067), (28, 5847905), (35, 4678324), (49, 3341660), (70, 2339162), (98, 1670830), (140, 1169581), (196, 835415), (245, 668332), (343, 477380), (490, 334166), (686, 238690), (980, 167083), (1372, 119345), (1715, 95476), (3430, 47738), (6860, 23869)]