90724100

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:357

約数の個数: 72

約数和(自身を含む): 204153600

約数和(自身を除く): 113429500

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 97, 100, 188, 194, 199, 235, 388, 398, 470, 485, 796, 940, 970, 995, 1175, 1940, 1990, 2350, 2425, 3980, 4559, 4700, 4850, 4975, 9118, 9353, 9700, 9950, 18236, 18706, 19303, 19900, 22795, 37412, 38606, 45590, 46765, 77212, 91180, 93530, 96515, 113975, 187060, 193030, 227950, 233825, 386060, 455900, 467650, 482575, 907241, 935300, 965150, 1814482, 1930300, 3628964, 4536205, 9072410, 18144820, 22681025, 45362050, 90724100]

約数ペア:

[(1, 90724100), (2, 45362050), (4, 22681025), (5, 18144820), (10, 9072410), (20, 4536205), (25, 3628964), (47, 1930300), (50, 1814482), (94, 965150), (97, 935300), (100, 907241), (188, 482575), (194, 467650), (199, 455900), (235, 386060), (388, 233825), (398, 227950), (470, 193030), (485, 187060), (796, 113975), (940, 96515), (970, 93530), (995, 91180), (1175, 77212), (1940, 46765), (1990, 45590), (2350, 38606), (2425, 37412), (3980, 22795), (4559, 19900), (4700, 19303), (4850, 18706), (4975, 18236), (9118, 9950), (9353, 9700)]