280081168

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{3917}}^1$

素因数の和:4075

約数の個数: 40

約数和(自身を含む): 561135960

約数和(自身を除く): 281054792

約数列:

[1, 2, 4, 8, 16, 41, 82, 109, 164, 218, 328, 436, 656, 872, 1744, 3917, 4469, 7834, 8938, 15668, 17876, 31336, 35752, 62672, 71504, 160597, 321194, 426953, 642388, 853906, 1284776, 1707812, 2569552, 3415624, 6831248, 17505073, 35010146, 70020292, 140040584, 280081168]

約数ペア:

[(1, 280081168), (2, 140040584), (4, 70020292), (8, 35010146), (16, 17505073), (41, 6831248), (82, 3415624), (109, 2569552), (164, 1707812), (218, 1284776), (328, 853906), (436, 642388), (656, 426953), (872, 321194), (1744, 160597), (3917, 71504), (4469, 62672), (7834, 35752), (8938, 31336), (15668, 17876)]