4380454820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31288963}}^1$

素因数の和:31288979

約数の個数: 24

約数和(自身を含む): 10513091904

約数和(自身を除く): 6132637084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 31288963, 62577926, 125155852, 156444815, 219022741, 312889630, 438045482, 625779260, 876090964, 1095113705, 2190227410, 4380454820]

約数ペア:

[(1, 4380454820), (2, 2190227410), (4, 1095113705), (5, 876090964), (7, 625779260), (10, 438045482), (14, 312889630), (20, 219022741), (28, 156444815), (35, 125155852), (70, 62577926), (140, 31288963)]