207942140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{3919}}^1$

素因数の和:4314

約数の個数: 48

約数和(自身を含む): 500505600

約数和(自身を除く): 292563460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 379, 758, 1516, 1895, 2653, 3790, 3919, 5306, 7580, 7838, 10612, 13265, 15676, 19595, 26530, 27433, 39190, 53060, 54866, 78380, 109732, 137165, 274330, 548660, 1485301, 2970602, 5941204, 7426505, 10397107, 14853010, 20794214, 29706020, 41588428, 51985535, 103971070, 207942140]

約数ペア:

[(1, 207942140), (2, 103971070), (4, 51985535), (5, 41588428), (7, 29706020), (10, 20794214), (14, 14853010), (20, 10397107), (28, 7426505), (35, 5941204), (70, 2970602), (140, 1485301), (379, 548660), (758, 274330), (1516, 137165), (1895, 109732), (2653, 78380), (3790, 54866), (3919, 53060), (5306, 39190), (7580, 27433), (7838, 26530), (10612, 19595), (13265, 15676)]