215135600

素因数分解:

$2^4\times 5^2\times {\mathrm{211}}^1\times {\mathrm{2549}}^1$

素因数の和:2778

約数の個数: 60

約数和(自身を含む): 519516600

約数和(自身を除く): 304381000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 211, 400, 422, 844, 1055, 1688, 2110, 2549, 3376, 4220, 5098, 5275, 8440, 10196, 10550, 12745, 16880, 20392, 21100, 25490, 40784, 42200, 50980, 63725, 84400, 101960, 127450, 203920, 254900, 509800, 537839, 1019600, 1075678, 2151356, 2689195, 4302712, 5378390, 8605424, 10756780, 13445975, 21513560, 26891950, 43027120, 53783900, 107567800, 215135600]

約数ペア:

[(1, 215135600), (2, 107567800), (4, 53783900), (5, 43027120), (8, 26891950), (10, 21513560), (16, 13445975), (20, 10756780), (25, 8605424), (40, 5378390), (50, 4302712), (80, 2689195), (100, 2151356), (200, 1075678), (211, 1019600), (400, 537839), (422, 509800), (844, 254900), (1055, 203920), (1688, 127450), (2110, 101960), (2549, 84400), (3376, 63725), (4220, 50980), (5098, 42200), (5275, 40784), (8440, 25490), (10196, 21100), (10550, 20392), (12745, 16880)]