291218060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2080129}}^1$

素因数の和:2080145

約数の個数: 24

約数和(自身を含む): 698923680

約数和(自身を除く): 407705620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2080129, 4160258, 8320516, 10400645, 14560903, 20801290, 29121806, 41602580, 58243612, 72804515, 145609030, 291218060]

約数ペア:

[(1, 291218060), (2, 145609030), (4, 72804515), (5, 58243612), (7, 41602580), (10, 29121806), (14, 20801290), (20, 14560903), (28, 10400645), (35, 8320516), (70, 4160258), (140, 2080129)]