90031400

素因数分解:

$2^3\times 5^2\times {\mathrm{101}}^1\times {\mathrm{4457}}^1$

素因数の和:4574

約数の個数: 48

約数和(自身を含む): 211442940

約数和(自身を除く): 121411540

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 200, 202, 404, 505, 808, 1010, 2020, 2525, 4040, 4457, 5050, 8914, 10100, 17828, 20200, 22285, 35656, 44570, 89140, 111425, 178280, 222850, 445700, 450157, 891400, 900314, 1800628, 2250785, 3601256, 4501570, 9003140, 11253925, 18006280, 22507850, 45015700, 90031400]

約数ペア:

[(1, 90031400), (2, 45015700), (4, 22507850), (5, 18006280), (8, 11253925), (10, 9003140), (20, 4501570), (25, 3601256), (40, 2250785), (50, 1800628), (100, 900314), (101, 891400), (200, 450157), (202, 445700), (404, 222850), (505, 178280), (808, 111425), (1010, 89140), (2020, 44570), (2525, 35656), (4040, 22285), (4457, 20200), (5050, 17828), (8914, 10100)]