77877380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{556267}}^1$

素因数の和:556283

約数の個数: 24

約数和(自身を含む): 186906048

約数和(自身を除く): 109028668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 556267, 1112534, 2225068, 2781335, 3893869, 5562670, 7787738, 11125340, 15575476, 19469345, 38938690, 77877380]

約数ペア:

[(1, 77877380), (2, 38938690), (4, 19469345), (5, 15575476), (7, 11125340), (10, 7787738), (14, 5562670), (20, 3893869), (28, 2781335), (35, 2225068), (70, 1112534), (140, 556267)]