5442920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{2777}}^1$

素因数の和:2802

約数の個数: 48

約数和(自身を含む): 14251140

約数和(自身を除く): 8808220

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, 2777, 5554, 11108, 13885, 19439, 22216, 27770, 38878, 55540, 77756, 97195, 111080, 136073, 155512, 194390, 272146, 388780, 544292, 680365, 777560, 1088584, 1360730, 2721460, 5442920]

約数ペア:

[(1, 5442920), (2, 2721460), (4, 1360730), (5, 1088584), (7, 777560), (8, 680365), (10, 544292), (14, 388780), (20, 272146), (28, 194390), (35, 155512), (40, 136073), (49, 111080), (56, 97195), (70, 77756), (98, 55540), (140, 38878), (196, 27770), (245, 22216), (280, 19439), (392, 13885), (490, 11108), (980, 5554), (1960, 2777)]