28079380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1201}}^1$

素因数の和:1384

約数の個数: 48

約数和(自身を含む): 67850496

約数和(自身を除く): 39771116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 167, 334, 668, 835, 1169, 1201, 1670, 2338, 2402, 3340, 4676, 4804, 5845, 6005, 8407, 11690, 12010, 16814, 23380, 24020, 33628, 42035, 84070, 168140, 200567, 401134, 802268, 1002835, 1403969, 2005670, 2807938, 4011340, 5615876, 7019845, 14039690, 28079380]

約数ペア:

[(1, 28079380), (2, 14039690), (4, 7019845), (5, 5615876), (7, 4011340), (10, 2807938), (14, 2005670), (20, 1403969), (28, 1002835), (35, 802268), (70, 401134), (140, 200567), (167, 168140), (334, 84070), (668, 42035), (835, 33628), (1169, 24020), (1201, 23380), (1670, 16814), (2338, 12010), (2402, 11690), (3340, 8407), (4676, 6005), (4804, 5845)]