198417080

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{105541}}^1$

素因数の和:105599

約数の個数: 32

約数和(自身を含む): 455941440

約数和(自身を除く): 257524360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 105541, 211082, 422164, 527705, 844328, 1055410, 2110820, 4221640, 4960427, 9920854, 19841708, 24802135, 39683416, 49604270, 99208540, 198417080]

約数ペア:

[(1, 198417080), (2, 99208540), (4, 49604270), (5, 39683416), (8, 24802135), (10, 19841708), (20, 9920854), (40, 4960427), (47, 4221640), (94, 2110820), (188, 1055410), (235, 844328), (376, 527705), (470, 422164), (940, 211082), (1880, 105541)]