42762790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{443}}^1$

素因数の和:661

約数の個数: 48

約数和(自身を含む): 90197712

約数和(自身を除く): 47434922

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 197, 245, 394, 443, 490, 886, 985, 1379, 1970, 2215, 2758, 3101, 4430, 6202, 6895, 9653, 13790, 15505, 19306, 21707, 31010, 43414, 48265, 87271, 96530, 108535, 174542, 217070, 436355, 610897, 872710, 1221794, 3054485, 4276279, 6108970, 8552558, 21381395, 42762790]

約数ペア:

[(1, 42762790), (2, 21381395), (5, 8552558), (7, 6108970), (10, 4276279), (14, 3054485), (35, 1221794), (49, 872710), (70, 610897), (98, 436355), (197, 217070), (245, 174542), (394, 108535), (443, 96530), (490, 87271), (886, 48265), (985, 43414), (1379, 31010), (1970, 21707), (2215, 19306), (2758, 15505), (3101, 13790), (4430, 9653), (6202, 6895)]