318182440

素因数分解:

$2^3\times 5^1\times {\mathrm{1151}}^1\times {\mathrm{6911}}^1$

素因数の和:8073

約数の個数: 32

約数和(自身を含む): 716636160

約数和(自身を除く): 398453720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1151, 2302, 4604, 5755, 6911, 9208, 11510, 13822, 23020, 27644, 34555, 46040, 55288, 69110, 138220, 276440, 7954561, 15909122, 31818244, 39772805, 63636488, 79545610, 159091220, 318182440]

約数ペア:

[(1, 318182440), (2, 159091220), (4, 79545610), (5, 63636488), (8, 39772805), (10, 31818244), (20, 15909122), (40, 7954561), (1151, 276440), (2302, 138220), (4604, 69110), (5755, 55288), (6911, 46040), (9208, 34555), (11510, 27644), (13822, 23020)]