29881880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{106721}}^1$

素因数の和:106739

約数の個数: 32

約数和(自身を含む): 76839840

約数和(自身を除く): 46957960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 106721, 213442, 426884, 533605, 747047, 853768, 1067210, 1494094, 2134420, 2988188, 3735235, 4268840, 5976376, 7470470, 14940940, 29881880]

約数ペア:

[(1, 29881880), (2, 14940940), (4, 7470470), (5, 5976376), (7, 4268840), (8, 3735235), (10, 2988188), (14, 2134420), (20, 1494094), (28, 1067210), (35, 853768), (40, 747047), (56, 533605), (70, 426884), (140, 213442), (280, 106721)]