270980020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{8297}}^1$

素因数の和:8400

約数の個数: 48

約数和(自身を含む): 602235648

約数和(自身を除く): 331255628

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 71, 92, 115, 142, 230, 284, 355, 460, 710, 1420, 1633, 3266, 6532, 8165, 8297, 16330, 16594, 32660, 33188, 41485, 82970, 165940, 190831, 381662, 589087, 763324, 954155, 1178174, 1908310, 2356348, 2945435, 3816620, 5890870, 11781740, 13549001, 27098002, 54196004, 67745005, 135490010, 270980020]

約数ペア:

[(1, 270980020), (2, 135490010), (4, 67745005), (5, 54196004), (10, 27098002), (20, 13549001), (23, 11781740), (46, 5890870), (71, 3816620), (92, 2945435), (115, 2356348), (142, 1908310), (230, 1178174), (284, 954155), (355, 763324), (460, 589087), (710, 381662), (1420, 190831), (1633, 165940), (3266, 82970), (6532, 41485), (8165, 33188), (8297, 32660), (16330, 16594)]