49399600

素因数分解:

$2^4\times 5^2\times {\mathrm{123499}}^1$

素因数の和:123517

約数の個数: 30

約数和(自身を含む): 118683500

約数和(自身を除く): 69283900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 123499, 246998, 493996, 617495, 987992, 1234990, 1975984, 2469980, 3087475, 4939960, 6174950, 9879920, 12349900, 24699800, 49399600]

約数ペア:

[(1, 49399600), (2, 24699800), (4, 12349900), (5, 9879920), (8, 6174950), (10, 4939960), (16, 3087475), (20, 2469980), (25, 1975984), (40, 1234990), (50, 987992), (80, 617495), (100, 493996), (200, 246998), (400, 123499)]