2019979700

素因数分解:

$2^2\times 5^2\times {\mathrm{907}}^1\times {\mathrm{22271}}^1$

素因数の和:23192

約数の個数: 36

約数和(自身を含む): 4388385792

約数和(自身を除く): 2368406092

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 907, 1814, 3628, 4535, 9070, 18140, 22271, 22675, 44542, 45350, 89084, 90700, 111355, 222710, 445420, 556775, 1113550, 2227100, 20199797, 40399594, 80799188, 100998985, 201997970, 403995940, 504994925, 1009989850, 2019979700]

約数ペア:

[(1, 2019979700), (2, 1009989850), (4, 504994925), (5, 403995940), (10, 201997970), (20, 100998985), (25, 80799188), (50, 40399594), (100, 20199797), (907, 2227100), (1814, 1113550), (3628, 556775), (4535, 445420), (9070, 222710), (18140, 111355), (22271, 90700), (22675, 89084), (44542, 45350)]