2488640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1$

素因数の和:136

約数の個数: 112

約数和(自身を含む): 7461504

約数和(自身を除く): 4972864

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 101, 110, 112, 140, 154, 160, 176, 202, 220, 224, 280, 308, 320, 352, 385, 404, 440, 448, 505, 560, 616, 704, 707, 770, 808, 880, 1010, 1111, 1120, 1232, 1414, 1540, 1616, 1760, 2020, 2222, 2240, 2464, 2828, 3080, 3232, 3520, 3535, 4040, 4444, 4928, 5555, 5656, 6160, 6464, 7070, 7777, 8080, 8888, 11110, 11312, 12320, 14140, 15554, 16160, 17776, 22220, 22624, 24640, 28280, 31108, 32320, 35552, 38885, 44440, 45248, 56560, 62216, 71104, 77770, 88880, 113120, 124432, 155540, 177760, 226240, 248864, 311080, 355520, 497728, 622160, 1244320, 2488640]

約数ペア:

[(1, 2488640), (2, 1244320), (4, 622160), (5, 497728), (7, 355520), (8, 311080), (10, 248864), (11, 226240), (14, 177760), (16, 155540), (20, 124432), (22, 113120), (28, 88880), (32, 77770), (35, 71104), (40, 62216), (44, 56560), (55, 45248), (56, 44440), (64, 38885), (70, 35552), (77, 32320), (80, 31108), (88, 28280), (101, 24640), (110, 22624), (112, 22220), (140, 17776), (154, 16160), (160, 15554), (176, 14140), (202, 12320), (220, 11312), (224, 11110), (280, 8888), (308, 8080), (320, 7777), (352, 7070), (385, 6464), (404, 6160), (440, 5656), (448, 5555), (505, 4928), (560, 4444), (616, 4040), (704, 3535), (707, 3520), (770, 3232), (808, 3080), (880, 2828), (1010, 2464), (1111, 2240), (1120, 2222), (1232, 2020), (1414, 1760), (1540, 1616)]