339447760

素因数分解:

$2^4\times 5^1\times {\mathrm{1993}}^1\times {\mathrm{2129}}^1$

素因数の和:4135

約数の個数: 40

約数和(自身を含む): 789982920

約数和(自身を除く): 450535160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1993, 2129, 3986, 4258, 7972, 8516, 9965, 10645, 15944, 17032, 19930, 21290, 31888, 34064, 39860, 42580, 79720, 85160, 159440, 170320, 4243097, 8486194, 16972388, 21215485, 33944776, 42430970, 67889552, 84861940, 169723880, 339447760]

約数ペア:

[(1, 339447760), (2, 169723880), (4, 84861940), (5, 67889552), (8, 42430970), (10, 33944776), (16, 21215485), (20, 16972388), (40, 8486194), (80, 4243097), (1993, 170320), (2129, 159440), (3986, 85160), (4258, 79720), (7972, 42580), (8516, 39860), (9965, 34064), (10645, 31888), (15944, 21290), (17032, 19930)]