130398680

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:696

約数の個数: 64

約数和(自身を含む): 302400000

約数和(自身を除く): 172001320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 139, 188, 235, 278, 376, 470, 499, 556, 695, 940, 998, 1112, 1390, 1880, 1996, 2495, 2780, 3992, 4990, 5560, 6533, 9980, 13066, 19960, 23453, 26132, 32665, 46906, 52264, 65330, 69361, 93812, 117265, 130660, 138722, 187624, 234530, 261320, 277444, 346805, 469060, 554888, 693610, 938120, 1387220, 2774440, 3259967, 6519934, 13039868, 16299835, 26079736, 32599670, 65199340, 130398680]

約数ペア:

[(1, 130398680), (2, 65199340), (4, 32599670), (5, 26079736), (8, 16299835), (10, 13039868), (20, 6519934), (40, 3259967), (47, 2774440), (94, 1387220), (139, 938120), (188, 693610), (235, 554888), (278, 469060), (376, 346805), (470, 277444), (499, 261320), (556, 234530), (695, 187624), (940, 138722), (998, 130660), (1112, 117265), (1390, 93812), (1880, 69361), (1996, 65330), (2495, 52264), (2780, 46906), (3992, 32665), (4990, 26132), (5560, 23453), (6533, 19960), (9980, 13066)]