211027100

素因数分解:

$2^2\times 5^2\times {\mathrm{499}}^1\times {\mathrm{4229}}^1$

素因数の和:4742

約数の個数: 36

約数和(自身を含む): 458955000

約数和(自身を除く): 247927900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 499, 998, 1996, 2495, 4229, 4990, 8458, 9980, 12475, 16916, 21145, 24950, 42290, 49900, 84580, 105725, 211450, 422900, 2110271, 4220542, 8441084, 10551355, 21102710, 42205420, 52756775, 105513550, 211027100]

約数ペア:

[(1, 211027100), (2, 105513550), (4, 52756775), (5, 42205420), (10, 21102710), (20, 10551355), (25, 8441084), (50, 4220542), (100, 2110271), (499, 422900), (998, 211450), (1996, 105725), (2495, 84580), (4229, 49900), (4990, 42290), (8458, 24950), (9980, 21145), (12475, 16916)]