28182140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4283}}^1$

素因数の和:4346

約数の個数: 48

約数和(自身を含む): 69092352

約数和(自身を除く): 40910212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 4283, 6580, 8566, 17132, 21415, 29981, 42830, 59962, 85660, 119924, 149905, 201301, 299810, 402602, 599620, 805204, 1006505, 1409107, 2013010, 2818214, 4026020, 5636428, 7045535, 14091070, 28182140]

約数ペア:

[(1, 28182140), (2, 14091070), (4, 7045535), (5, 5636428), (7, 4026020), (10, 2818214), (14, 2013010), (20, 1409107), (28, 1006505), (35, 805204), (47, 599620), (70, 402602), (94, 299810), (140, 201301), (188, 149905), (235, 119924), (329, 85660), (470, 59962), (658, 42830), (940, 29981), (1316, 21415), (1645, 17132), (3290, 8566), (4283, 6580)]