127949980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1723}}^1$

素因数の和:1858

約数の個数: 48

約数和(自身を含む): 278046720

約数和(自身を除く): 150096740

約数列:

[1, 2, 4, 5, 10, 20, 47, 79, 94, 158, 188, 235, 316, 395, 470, 790, 940, 1580, 1723, 3446, 3713, 6892, 7426, 8615, 14852, 17230, 18565, 34460, 37130, 74260, 80981, 136117, 161962, 272234, 323924, 404905, 544468, 680585, 809810, 1361170, 1619620, 2722340, 6397499, 12794998, 25589996, 31987495, 63974990, 127949980]

約数ペア:

[(1, 127949980), (2, 63974990), (4, 31987495), (5, 25589996), (10, 12794998), (20, 6397499), (47, 2722340), (79, 1619620), (94, 1361170), (158, 809810), (188, 680585), (235, 544468), (316, 404905), (395, 323924), (470, 272234), (790, 161962), (940, 136117), (1580, 80981), (1723, 74260), (3446, 37130), (3713, 34460), (6892, 18565), (7426, 17230), (8615, 14852)]