129341870

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{5387}}^1$

素因数の和:5422

約数の個数: 40

約数和(自身を含む): 271652184

約数和(自身を除く): 142310314

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 2401, 3430, 4802, 5387, 10774, 12005, 24010, 26935, 37709, 53870, 75418, 188545, 263963, 377090, 527926, 1319815, 1847741, 2639630, 3695482, 9238705, 12934187, 18477410, 25868374, 64670935, 129341870]

約数ペア:

[(1, 129341870), (2, 64670935), (5, 25868374), (7, 18477410), (10, 12934187), (14, 9238705), (35, 3695482), (49, 2639630), (70, 1847741), (98, 1319815), (245, 527926), (343, 377090), (490, 263963), (686, 188545), (1715, 75418), (2401, 53870), (3430, 37709), (4802, 26935), (5387, 24010), (10774, 12005)]