77485540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{3631}}^1$

素因数の和:3748

約数の個数: 48

約数和(自身を含む): 179391744

約数和(自身を除く): 101906204

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 970, 1067, 1940, 2134, 3631, 4268, 5335, 7262, 10670, 14524, 18155, 21340, 36310, 39941, 72620, 79882, 159764, 199705, 352207, 399410, 704414, 798820, 1408828, 1761035, 3522070, 3874277, 7044140, 7748554, 15497108, 19371385, 38742770, 77485540]

約数ペア:

[(1, 77485540), (2, 38742770), (4, 19371385), (5, 15497108), (10, 7748554), (11, 7044140), (20, 3874277), (22, 3522070), (44, 1761035), (55, 1408828), (97, 798820), (110, 704414), (194, 399410), (220, 352207), (388, 199705), (485, 159764), (970, 79882), (1067, 72620), (1940, 39941), (2134, 36310), (3631, 21340), (4268, 18155), (5335, 14524), (7262, 10670)]