77204120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{275729}}^1$

素因数の和:275747

約数の個数: 32

約数和(自身を含む): 198525600

約数和(自身を除く): 121321480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 275729, 551458, 1102916, 1378645, 1930103, 2205832, 2757290, 3860206, 5514580, 7720412, 9650515, 11029160, 15440824, 19301030, 38602060, 77204120]

約数ペア:

[(1, 77204120), (2, 38602060), (4, 19301030), (5, 15440824), (7, 11029160), (8, 9650515), (10, 7720412), (14, 5514580), (20, 3860206), (28, 2757290), (35, 2205832), (40, 1930103), (56, 1378645), (70, 1102916), (140, 551458), (280, 275729)]