203399245

素因数分解:

$5^1\times 7^2\times {\mathrm{43}}^2\times {\mathrm{449}}^1$

素因数の和:554

約数の個数: 36

約数和(自身を含む): 291332700

約数和(自身を除く): 87933455

約数列:

[1, 5, 7, 35, 43, 49, 215, 245, 301, 449, 1505, 1849, 2107, 2245, 3143, 9245, 10535, 12943, 15715, 19307, 22001, 64715, 90601, 96535, 110005, 135149, 453005, 675745, 830201, 946043, 4151005, 4730215, 5811407, 29057035, 40679849, 203399245]

約数ペア:

[(1, 203399245), (5, 40679849), (7, 29057035), (35, 5811407), (43, 4730215), (49, 4151005), (215, 946043), (245, 830201), (301, 675745), (449, 453005), (1505, 135149), (1849, 110005), (2107, 96535), (2245, 90601), (3143, 64715), (9245, 22001), (10535, 19307), (12943, 15715)]