478305580

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1\times {\mathrm{709}}^1$

素因数の和:1186

約数の個数: 48

約数和(自身を含む): 1019844000

約数和(自身を除く): 541538420

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 379, 445, 709, 758, 890, 1418, 1516, 1780, 1895, 2836, 3545, 3790, 7090, 7580, 14180, 33731, 63101, 67462, 126202, 134924, 168655, 252404, 268711, 315505, 337310, 537422, 631010, 674620, 1074844, 1262020, 1343555, 2687110, 5374220, 23915279, 47830558, 95661116, 119576395, 239152790, 478305580]

約数ペア:

[(1, 478305580), (2, 239152790), (4, 119576395), (5, 95661116), (10, 47830558), (20, 23915279), (89, 5374220), (178, 2687110), (356, 1343555), (379, 1262020), (445, 1074844), (709, 674620), (758, 631010), (890, 537422), (1418, 337310), (1516, 315505), (1780, 268711), (1895, 252404), (2836, 168655), (3545, 134924), (3790, 126202), (7090, 67462), (7580, 63101), (14180, 33731)]