139154120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{70997}}^1$

素因数の和:71022

約数の個数: 48

約数和(自身を含む): 364219740

約数和(自身を除く): 225065620

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 70997, 141994, 283988, 354985, 496979, 567976, 709970, 993958, 1419940, 1987916, 2484895, 2839880, 3478853, 3975832, 4969790, 6957706, 9939580, 13915412, 17394265, 19879160, 27830824, 34788530, 69577060, 139154120]

約数ペア:

[(1, 139154120), (2, 69577060), (4, 34788530), (5, 27830824), (7, 19879160), (8, 17394265), (10, 13915412), (14, 9939580), (20, 6957706), (28, 4969790), (35, 3975832), (40, 3478853), (49, 2839880), (56, 2484895), (70, 1987916), (98, 1419940), (140, 993958), (196, 709970), (245, 567976), (280, 496979), (392, 354985), (490, 283988), (980, 141994), (1960, 70997)]