257829770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{1009}}^1$

素因数の和:1151

約数の個数: 64

約数和(自身を含む): 534055680

約数和(自身を除く): 276225910

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 101, 110, 115, 202, 230, 253, 505, 506, 1009, 1010, 1111, 1265, 2018, 2222, 2323, 2530, 4646, 5045, 5555, 10090, 11099, 11110, 11615, 22198, 23207, 23230, 25553, 46414, 51106, 55495, 101909, 110990, 116035, 127765, 203818, 232070, 255277, 255530, 509545, 510554, 1019090, 1120999, 1276385, 2241998, 2343907, 2552770, 4687814, 5604995, 11209990, 11719535, 23439070, 25782977, 51565954, 128914885, 257829770]

約数ペア:

[(1, 257829770), (2, 128914885), (5, 51565954), (10, 25782977), (11, 23439070), (22, 11719535), (23, 11209990), (46, 5604995), (55, 4687814), (101, 2552770), (110, 2343907), (115, 2241998), (202, 1276385), (230, 1120999), (253, 1019090), (505, 510554), (506, 509545), (1009, 255530), (1010, 255277), (1111, 232070), (1265, 203818), (2018, 127765), (2222, 116035), (2323, 110990), (2530, 101909), (4646, 55495), (5045, 51106), (5555, 46414), (10090, 25553), (11099, 23230), (11110, 23207), (11615, 22198)]