4310680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 10795680

約数和(自身を除く): 6485000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 97, 101, 110, 194, 202, 220, 388, 404, 440, 485, 505, 776, 808, 970, 1010, 1067, 1111, 1940, 2020, 2134, 2222, 3880, 4040, 4268, 4444, 5335, 5555, 8536, 8888, 9797, 10670, 11110, 19594, 21340, 22220, 39188, 42680, 44440, 48985, 78376, 97970, 107767, 195940, 215534, 391880, 431068, 538835, 862136, 1077670, 2155340, 4310680]

約数ペア:

[(1, 4310680), (2, 2155340), (4, 1077670), (5, 862136), (8, 538835), (10, 431068), (11, 391880), (20, 215534), (22, 195940), (40, 107767), (44, 97970), (55, 78376), (88, 48985), (97, 44440), (101, 42680), (110, 39188), (194, 22220), (202, 21340), (220, 19594), (388, 11110), (404, 10670), (440, 9797), (485, 8888), (505, 8536), (776, 5555), (808, 5335), (970, 4444), (1010, 4268), (1067, 4040), (1111, 3880), (1940, 2222), (2020, 2134)]