197187860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{240473}}^1$

素因数の和:240523

約数の個数: 24

約数和(自身を含む): 424196136

約数和(自身を除く): 227008276

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 240473, 480946, 961892, 1202365, 2404730, 4809460, 9859393, 19718786, 39437572, 49296965, 98593930, 197187860]

約数ペア:

[(1, 197187860), (2, 98593930), (4, 49296965), (5, 39437572), (10, 19718786), (20, 9859393), (41, 4809460), (82, 2404730), (164, 1202365), (205, 961892), (410, 480946), (820, 240473)]