397754960

素因数分解:

$2^4\times 5^1\times {\mathrm{607}}^1\times {\mathrm{8191}}^1$

素因数の和:8811

約数の個数: 40

約数和(自身を含む): 926416896

約数和(自身を除く): 528661936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 607, 1214, 2428, 3035, 4856, 6070, 8191, 9712, 12140, 16382, 24280, 32764, 40955, 48560, 65528, 81910, 131056, 163820, 327640, 655280, 4971937, 9943874, 19887748, 24859685, 39775496, 49719370, 79550992, 99438740, 198877480, 397754960]

約数ペア:

[(1, 397754960), (2, 198877480), (4, 99438740), (5, 79550992), (8, 49719370), (10, 39775496), (16, 24859685), (20, 19887748), (40, 9943874), (80, 4971937), (607, 655280), (1214, 327640), (2428, 163820), (3035, 131056), (4856, 81910), (6070, 65528), (8191, 48560), (9712, 40955), (12140, 32764), (16382, 24280)]