208778870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{13799}}^1$

素因数の和:13912

約数の個数: 32

約数和(自身を含む): 402408000

約数和(自身を除く): 193629130

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 170, 178, 445, 890, 1513, 3026, 7565, 13799, 15130, 27598, 68995, 137990, 234583, 469166, 1172915, 1228111, 2345830, 2456222, 6140555, 12281110, 20877887, 41755774, 104389435, 208778870]

約数ペア:

[(1, 208778870), (2, 104389435), (5, 41755774), (10, 20877887), (17, 12281110), (34, 6140555), (85, 2456222), (89, 2345830), (170, 1228111), (178, 1172915), (445, 469166), (890, 234583), (1513, 137990), (3026, 68995), (7565, 27598), (13799, 15130)]