340912180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{34297}}^1$

素因数の和:34384

約数の個数: 48

約数和(自身を含む): 829737216

約数和(自身を除く): 488825036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 34297, 68594, 137188, 171485, 240079, 342970, 480158, 685940, 960316, 1200395, 2400790, 2435087, 4801580, 4870174, 9740348, 12175435, 17045609, 24350870, 34091218, 48701740, 68182436, 85228045, 170456090, 340912180]

約数ペア:

[(1, 340912180), (2, 170456090), (4, 85228045), (5, 68182436), (7, 48701740), (10, 34091218), (14, 24350870), (20, 17045609), (28, 12175435), (35, 9740348), (70, 4870174), (71, 4801580), (140, 2435087), (142, 2400790), (284, 1200395), (355, 960316), (497, 685940), (710, 480158), (994, 342970), (1420, 240079), (1988, 171485), (2485, 137188), (4970, 68594), (9940, 34297)]