84829780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{86561}}^1$

素因数の和:86584

約数の個数: 36

約数和(自身を含む): 207229428

約数和(自身を除く): 122399648

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 86561, 173122, 346244, 432805, 605927, 865610, 1211854, 1731220, 2423708, 3029635, 4241489, 6059270, 8482978, 12118540, 16965956, 21207445, 42414890, 84829780]

約数ペア:

[(1, 84829780), (2, 42414890), (4, 21207445), (5, 16965956), (7, 12118540), (10, 8482978), (14, 6059270), (20, 4241489), (28, 3029635), (35, 2423708), (49, 1731220), (70, 1211854), (98, 865610), (140, 605927), (196, 432805), (245, 346244), (490, 173122), (980, 86561)]