28151300

素因数分解:

$2^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{1429}}^1$

素因数の和:1640

約数の個数: 36

約数和(自身を含む): 61441380

約数和(自身を除く): 33290080

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 197, 394, 788, 985, 1429, 1970, 2858, 3940, 4925, 5716, 7145, 9850, 14290, 19700, 28580, 35725, 71450, 142900, 281513, 563026, 1126052, 1407565, 2815130, 5630260, 7037825, 14075650, 28151300]

約数ペア:

[(1, 28151300), (2, 14075650), (4, 7037825), (5, 5630260), (10, 2815130), (20, 1407565), (25, 1126052), (50, 563026), (100, 281513), (197, 142900), (394, 71450), (788, 35725), (985, 28580), (1429, 19700), (1970, 14290), (2858, 9850), (3940, 7145), (4925, 5716)]