129357620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{923983}}^1$

素因数の和:923999

約数の個数: 24

約数和(自身を含む): 310458624

約数和(自身を除く): 181101004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 923983, 1847966, 3695932, 4619915, 6467881, 9239830, 12935762, 18479660, 25871524, 32339405, 64678810, 129357620]

約数ペア:

[(1, 129357620), (2, 64678810), (4, 32339405), (5, 25871524), (7, 18479660), (10, 12935762), (14, 9239830), (20, 6467881), (28, 4619915), (35, 3695932), (70, 1847966), (140, 923983)]