1945780

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{359}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 4112640

約数和(自身を除く): 2166860

約数列:

[1, 2, 4, 5, 10, 20, 271, 359, 542, 718, 1084, 1355, 1436, 1795, 2710, 3590, 5420, 7180, 97289, 194578, 389156, 486445, 972890, 1945780]

約数ペア:

[(1, 1945780), (2, 972890), (4, 486445), (5, 389156), (10, 194578), (20, 97289), (271, 7180), (359, 5420), (542, 3590), (718, 2710), (1084, 1795), (1355, 1436)]