189976430

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{387707}}^1$

素因数の和:387728

約数の個数: 24

約数和(自身を含む): 397788408

約数和(自身を除く): 207811978

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 387707, 775414, 1938535, 2713949, 3877070, 5427898, 13569745, 18997643, 27139490, 37995286, 94988215, 189976430]

約数ペア:

[(1, 189976430), (2, 94988215), (5, 37995286), (7, 27139490), (10, 18997643), (14, 13569745), (35, 5427898), (49, 3877070), (70, 2713949), (98, 1938535), (245, 775414), (490, 387707)]