200865740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2551}}^1$

素因数の和:2718

約数の個数: 48

約数和(自身を含む): 439025664

約数和(自身を除く): 238159924

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 127, 155, 254, 310, 508, 620, 635, 1270, 2540, 2551, 3937, 5102, 7874, 10204, 12755, 15748, 19685, 25510, 39370, 51020, 78740, 79081, 158162, 316324, 323977, 395405, 647954, 790810, 1295908, 1581620, 1619885, 3239770, 6479540, 10043287, 20086574, 40173148, 50216435, 100432870, 200865740]

約数ペア:

[(1, 200865740), (2, 100432870), (4, 50216435), (5, 40173148), (10, 20086574), (20, 10043287), (31, 6479540), (62, 3239770), (124, 1619885), (127, 1581620), (155, 1295908), (254, 790810), (310, 647954), (508, 395405), (620, 323977), (635, 316324), (1270, 158162), (2540, 79081), (2551, 78740), (3937, 51020), (5102, 39370), (7874, 25510), (10204, 19685), (12755, 15748)]