90137900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47441}}^1$

素因数の和:47474

約数の個数: 36

約数和(自身を含む): 205898280

約数和(自身を除く): 115760380

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 47441, 94882, 189764, 237205, 474410, 901379, 948820, 1186025, 1802758, 2372050, 3605516, 4506895, 4744100, 9013790, 18027580, 22534475, 45068950, 90137900]

約数ペア:

[(1, 90137900), (2, 45068950), (4, 22534475), (5, 18027580), (10, 9013790), (19, 4744100), (20, 4506895), (25, 3605516), (38, 2372050), (50, 1802758), (76, 1186025), (95, 948820), (100, 901379), (190, 474410), (380, 237205), (475, 189764), (950, 94882), (1900, 47441)]