126572500

素因数分解:

$2^2\times 5^4\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:478

約数の個数: 60

約数和(自身を含む): 279276228

約数和(自身を除く): 152703728

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 197, 250, 257, 394, 500, 514, 625, 788, 985, 1028, 1250, 1285, 1970, 2500, 2570, 3940, 4925, 5140, 6425, 9850, 12850, 19700, 24625, 25700, 32125, 49250, 50629, 64250, 98500, 101258, 123125, 128500, 160625, 202516, 246250, 253145, 321250, 492500, 506290, 642500, 1012580, 1265725, 2531450, 5062900, 6328625, 12657250, 25314500, 31643125, 63286250, 126572500]

約数ペア:

[(1, 126572500), (2, 63286250), (4, 31643125), (5, 25314500), (10, 12657250), (20, 6328625), (25, 5062900), (50, 2531450), (100, 1265725), (125, 1012580), (197, 642500), (250, 506290), (257, 492500), (394, 321250), (500, 253145), (514, 246250), (625, 202516), (788, 160625), (985, 128500), (1028, 123125), (1250, 101258), (1285, 98500), (1970, 64250), (2500, 50629), (2570, 49250), (3940, 32125), (4925, 25700), (5140, 24625), (6425, 19700), (9850, 12850)]