258387400

素因数分解:

$2^3\times 5^2\times {\mathrm{797}}^1\times {\mathrm{1621}}^1$

素因数の和:2434

約数の個数: 48

約数和(自身を含む): 601875540

約数和(自身を除く): 343488140

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 797, 1594, 1621, 3188, 3242, 3985, 6376, 6484, 7970, 8105, 12968, 15940, 16210, 19925, 31880, 32420, 39850, 40525, 64840, 79700, 81050, 159400, 162100, 324200, 1291937, 2583874, 5167748, 6459685, 10335496, 12919370, 25838740, 32298425, 51677480, 64596850, 129193700, 258387400]

約数ペア:

[(1, 258387400), (2, 129193700), (4, 64596850), (5, 51677480), (8, 32298425), (10, 25838740), (20, 12919370), (25, 10335496), (40, 6459685), (50, 5167748), (100, 2583874), (200, 1291937), (797, 324200), (1594, 162100), (1621, 159400), (3188, 81050), (3242, 79700), (3985, 64840), (6376, 40525), (6484, 39850), (7970, 32420), (8105, 31880), (12968, 19925), (15940, 16210)]