2489800

素因数分解:

$2^3\times 5^2\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 5914800

約数和(自身を除く): 3425000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 59, 100, 118, 200, 211, 236, 295, 422, 472, 590, 844, 1055, 1180, 1475, 1688, 2110, 2360, 2950, 4220, 5275, 5900, 8440, 10550, 11800, 12449, 21100, 24898, 42200, 49796, 62245, 99592, 124490, 248980, 311225, 497960, 622450, 1244900, 2489800]

約数ペア:

[(1, 2489800), (2, 1244900), (4, 622450), (5, 497960), (8, 311225), (10, 248980), (20, 124490), (25, 99592), (40, 62245), (50, 49796), (59, 42200), (100, 24898), (118, 21100), (200, 12449), (211, 11800), (236, 10550), (295, 8440), (422, 5900), (472, 5275), (590, 4220), (844, 2950), (1055, 2360), (1180, 2110), (1475, 1688)]