2150900

素因数分解:

$2^2\times 5^2\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:308

約数の個数: 36

約数和(自身を含む): 4731468

約数和(自身を除く): 2580568

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 137, 157, 274, 314, 548, 628, 685, 785, 1370, 1570, 2740, 3140, 3425, 3925, 6850, 7850, 13700, 15700, 21509, 43018, 86036, 107545, 215090, 430180, 537725, 1075450, 2150900]

約数ペア:

[(1, 2150900), (2, 1075450), (4, 537725), (5, 430180), (10, 215090), (20, 107545), (25, 86036), (50, 43018), (100, 21509), (137, 15700), (157, 13700), (274, 7850), (314, 6850), (548, 3925), (628, 3425), (685, 3140), (785, 2740), (1370, 1570)]