840360408

素因数分解:

$2^3\times 3^1\times {\mathrm{1993}}^1\times {\mathrm{17569}}^1$

素因数の和:19571

約数の個数: 32

約数和(自身を含む): 2102074800

約数和(自身を除く): 1261714392

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 1993, 3986, 5979, 7972, 11958, 15944, 17569, 23916, 35138, 47832, 52707, 70276, 105414, 140552, 210828, 421656, 35015017, 70030034, 105045051, 140060068, 210090102, 280120136, 420180204, 840360408]

約数ペア:

[(1, 840360408), (2, 420180204), (3, 280120136), (4, 210090102), (6, 140060068), (8, 105045051), (12, 70030034), (24, 35015017), (1993, 421656), (3986, 210828), (5979, 140552), (7972, 105414), (11958, 70276), (15944, 52707), (17569, 47832), (23916, 35138)]