1997366900

素因数分解:

$2^2\times 5^2\times {\mathrm{509}}^1\times {\mathrm{39241}}^1$

素因数の和:39764

約数の個数: 36

約数和(自身を含む): 4342912140

約数和(自身を除く): 2345545240

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 509, 1018, 2036, 2545, 5090, 10180, 12725, 25450, 39241, 50900, 78482, 156964, 196205, 392410, 784820, 981025, 1962050, 3924100, 19973669, 39947338, 79894676, 99868345, 199736690, 399473380, 499341725, 998683450, 1997366900]

約数ペア:

[(1, 1997366900), (2, 998683450), (4, 499341725), (5, 399473380), (10, 199736690), (20, 99868345), (25, 79894676), (50, 39947338), (100, 19973669), (509, 3924100), (1018, 1962050), (2036, 981025), (2545, 784820), (5090, 392410), (10180, 196205), (12725, 156964), (25450, 78482), (39241, 50900)]