221228560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{587}}^1\times {\mathrm{673}}^1$

素因数の和:1280

約数の個数: 80

約数和(自身を含む): 589712256

約数和(自身を除く): 368483696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 587, 673, 1174, 1346, 2348, 2692, 2935, 3365, 4109, 4696, 4711, 5384, 5870, 6730, 8218, 9392, 9422, 10768, 11740, 13460, 16436, 18844, 20545, 23480, 23555, 26920, 32872, 37688, 41090, 46960, 47110, 53840, 65744, 75376, 82180, 94220, 164360, 188440, 328720, 376880, 395051, 790102, 1580204, 1975255, 2765357, 3160408, 3950510, 5530714, 6320816, 7901020, 11061428, 13826785, 15802040, 22122856, 27653570, 31604080, 44245712, 55307140, 110614280, 221228560]

約数ペア:

[(1, 221228560), (2, 110614280), (4, 55307140), (5, 44245712), (7, 31604080), (8, 27653570), (10, 22122856), (14, 15802040), (16, 13826785), (20, 11061428), (28, 7901020), (35, 6320816), (40, 5530714), (56, 3950510), (70, 3160408), (80, 2765357), (112, 1975255), (140, 1580204), (280, 790102), (560, 395051), (587, 376880), (673, 328720), (1174, 188440), (1346, 164360), (2348, 94220), (2692, 82180), (2935, 75376), (3365, 65744), (4109, 53840), (4696, 47110), (4711, 46960), (5384, 41090), (5870, 37688), (6730, 32872), (8218, 26920), (9392, 23555), (9422, 23480), (10768, 20545), (11740, 18844), (13460, 16436)]