8984140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 20843424

約数和(自身を除く): 11859284

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 421, 485, 842, 970, 1067, 1684, 1940, 2105, 2134, 4210, 4268, 4631, 5335, 8420, 9262, 10670, 18524, 21340, 23155, 40837, 46310, 81674, 92620, 163348, 204185, 408370, 449207, 816740, 898414, 1796828, 2246035, 4492070, 8984140]

約数ペア:

[(1, 8984140), (2, 4492070), (4, 2246035), (5, 1796828), (10, 898414), (11, 816740), (20, 449207), (22, 408370), (44, 204185), (55, 163348), (97, 92620), (110, 81674), (194, 46310), (220, 40837), (388, 23155), (421, 21340), (485, 18524), (842, 10670), (970, 9262), (1067, 8420), (1684, 5335), (1940, 4631), (2105, 4268), (2134, 4210)]