641425730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{142223}}^1$

素因数の和:142282

約数の個数: 32

約数和(自身を含む): 1290256128

約数和(自身を除く): 648830398

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4510, 142223, 284446, 711115, 1422230, 1564453, 3128906, 5831143, 7822265, 11662286, 15644530, 29155715, 58311430, 64142573, 128285146, 320712865, 641425730]

約数ペア:

[(1, 641425730), (2, 320712865), (5, 128285146), (10, 64142573), (11, 58311430), (22, 29155715), (41, 15644530), (55, 11662286), (82, 7822265), (110, 5831143), (205, 3128906), (410, 1564453), (451, 1422230), (902, 711115), (2255, 284446), (4510, 142223)]