2829126620

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{409}}^1\times {\mathrm{991}}^1$

素因数の和:1758

約数の個数: 48

約数和(自身を含む): 5978784000

約数和(自身を除く): 3149657380

約数列:

[1, 2, 4, 5, 10, 20, 349, 409, 698, 818, 991, 1396, 1636, 1745, 1982, 2045, 3490, 3964, 4090, 4955, 6980, 8180, 9910, 19820, 142741, 285482, 345859, 405319, 570964, 691718, 713705, 810638, 1383436, 1427410, 1621276, 1729295, 2026595, 2854820, 3458590, 4053190, 6917180, 8106380, 141456331, 282912662, 565825324, 707281655, 1414563310, 2829126620]

約数ペア:

[(1, 2829126620), (2, 1414563310), (4, 707281655), (5, 565825324), (10, 282912662), (20, 141456331), (349, 8106380), (409, 6917180), (698, 4053190), (818, 3458590), (991, 2854820), (1396, 2026595), (1636, 1729295), (1745, 1621276), (1982, 1427410), (2045, 1383436), (3490, 810638), (3964, 713705), (4090, 691718), (4955, 570964), (6980, 405319), (8180, 345859), (9910, 285482), (19820, 142741)]