128530700

素因数分解:

$2^2\times 5^2\times {\mathrm{521}}^1\times {\mathrm{2467}}^1$

素因数の和:3002

約数の個数: 36

約数和(自身を含む): 279560232

約数和(自身を除く): 151029532

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 521, 1042, 2084, 2467, 2605, 4934, 5210, 9868, 10420, 12335, 13025, 24670, 26050, 49340, 52100, 61675, 123350, 246700, 1285307, 2570614, 5141228, 6426535, 12853070, 25706140, 32132675, 64265350, 128530700]

約数ペア:

[(1, 128530700), (2, 64265350), (4, 32132675), (5, 25706140), (10, 12853070), (20, 6426535), (25, 5141228), (50, 2570614), (100, 1285307), (521, 246700), (1042, 123350), (2084, 61675), (2467, 52100), (2605, 49340), (4934, 26050), (5210, 24670), (9868, 13025), (10420, 12335)]