715672220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{20297}}^1$

素因数の和:20390

約数の個数: 48

約数和(自身を含む): 1575449568

約数和(自身を除く): 859777348

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 860, 1763, 3526, 7052, 8815, 17630, 20297, 35260, 40594, 81188, 101485, 202970, 405940, 832177, 872771, 1664354, 1745542, 3328708, 3491084, 4160885, 4363855, 8321770, 8727710, 16643540, 17455420, 35783611, 71567222, 143134444, 178918055, 357836110, 715672220]

約数ペア:

[(1, 715672220), (2, 357836110), (4, 178918055), (5, 143134444), (10, 71567222), (20, 35783611), (41, 17455420), (43, 16643540), (82, 8727710), (86, 8321770), (164, 4363855), (172, 4160885), (205, 3491084), (215, 3328708), (410, 1745542), (430, 1664354), (820, 872771), (860, 832177), (1763, 405940), (3526, 202970), (7052, 101485), (8815, 81188), (17630, 40594), (20297, 35260)]