201642850

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{401}}^1$

素因数の和:615

約数の個数: 48

約数和(自身を含む): 383580360

約数和(自身を除く): 181937510

約数列:

[1, 2, 5, 10, 25, 50, 89, 113, 178, 226, 401, 445, 565, 802, 890, 1130, 2005, 2225, 2825, 4010, 4450, 5650, 10025, 10057, 20050, 20114, 35689, 45313, 50285, 71378, 90626, 100570, 178445, 226565, 251425, 356890, 453130, 502850, 892225, 1132825, 1784450, 2265650, 4032857, 8065714, 20164285, 40328570, 100821425, 201642850]

約数ペア:

[(1, 201642850), (2, 100821425), (5, 40328570), (10, 20164285), (25, 8065714), (50, 4032857), (89, 2265650), (113, 1784450), (178, 1132825), (226, 892225), (401, 502850), (445, 453130), (565, 356890), (802, 251425), (890, 226565), (1130, 178445), (2005, 100570), (2225, 90626), (2825, 71378), (4010, 50285), (4450, 45313), (5650, 35689), (10025, 20114), (10057, 20050)]