7869876620

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{19477}}^1$

素因数の和:19802

約数の個数: 48

約数和(自身を含む): 16786919520

約数和(自身を除く): 8917042900

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 227, 356, 445, 454, 890, 908, 1135, 1780, 2270, 4540, 19477, 20203, 38954, 40406, 77908, 80812, 97385, 101015, 194770, 202030, 389540, 404060, 1733453, 3466906, 4421279, 6933812, 8667265, 8842558, 17334530, 17685116, 22106395, 34669060, 44212790, 88425580, 393493831, 786987662, 1573975324, 1967469155, 3934938310, 7869876620]

約数ペア:

[(1, 7869876620), (2, 3934938310), (4, 1967469155), (5, 1573975324), (10, 786987662), (20, 393493831), (89, 88425580), (178, 44212790), (227, 34669060), (356, 22106395), (445, 17685116), (454, 17334530), (890, 8842558), (908, 8667265), (1135, 6933812), (1780, 4421279), (2270, 3466906), (4540, 1733453), (19477, 404060), (20203, 389540), (38954, 202030), (40406, 194770), (77908, 101015), (80812, 97385)]