194009620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{197969}}^1$

素因数の和:197992

約数の個数: 36

約数和(自身を含む): 473940180

約数和(自身を除く): 279930560

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 197969, 395938, 791876, 989845, 1385783, 1979690, 2771566, 3959380, 5543132, 6928915, 9700481, 13857830, 19400962, 27715660, 38801924, 48502405, 97004810, 194009620]

約数ペア:

[(1, 194009620), (2, 97004810), (4, 48502405), (5, 38801924), (7, 27715660), (10, 19400962), (14, 13857830), (20, 9700481), (28, 6928915), (35, 5543132), (49, 3959380), (70, 2771566), (98, 1979690), (140, 1385783), (196, 989845), (245, 791876), (490, 395938), (980, 197969)]