72345500

素因数分解:

$2^2\times 5^3\times {\mathrm{257}}^1\times {\mathrm{563}}^1$

素因数の和:839

約数の個数: 48

約数和(自身を含む): 158899104

約数和(自身を除く): 86553604

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 257, 500, 514, 563, 1028, 1126, 1285, 2252, 2570, 2815, 5140, 5630, 6425, 11260, 12850, 14075, 25700, 28150, 32125, 56300, 64250, 70375, 128500, 140750, 144691, 281500, 289382, 578764, 723455, 1446910, 2893820, 3617275, 7234550, 14469100, 18086375, 36172750, 72345500]

約数ペア:

[(1, 72345500), (2, 36172750), (4, 18086375), (5, 14469100), (10, 7234550), (20, 3617275), (25, 2893820), (50, 1446910), (100, 723455), (125, 578764), (250, 289382), (257, 281500), (500, 144691), (514, 140750), (563, 128500), (1028, 70375), (1126, 64250), (1285, 56300), (2252, 32125), (2570, 28150), (2815, 25700), (5140, 14075), (5630, 12850), (6425, 11260)]