90836500

素因数分解:

$2^2\times 5^3\times {\mathrm{139}}^1\times {\mathrm{1307}}^1$

素因数の和:1465

約数の個数: 48

約数和(自身を含む): 199967040

約数和(自身を除く): 109130540

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 139, 250, 278, 500, 556, 695, 1307, 1390, 2614, 2780, 3475, 5228, 6535, 6950, 13070, 13900, 17375, 26140, 32675, 34750, 65350, 69500, 130700, 163375, 181673, 326750, 363346, 653500, 726692, 908365, 1816730, 3633460, 4541825, 9083650, 18167300, 22709125, 45418250, 90836500]

約数ペア:

[(1, 90836500), (2, 45418250), (4, 22709125), (5, 18167300), (10, 9083650), (20, 4541825), (25, 3633460), (50, 1816730), (100, 908365), (125, 726692), (139, 653500), (250, 363346), (278, 326750), (500, 181673), (556, 163375), (695, 130700), (1307, 69500), (1390, 65350), (2614, 34750), (2780, 32675), (3475, 26140), (5228, 17375), (6535, 13900), (6950, 13070)]