4943950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:213

約数の個数: 48

約数和(自身を含む): 10244880

約数和(自身を除く): 5300930

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 89, 101, 110, 178, 202, 275, 445, 505, 550, 890, 979, 1010, 1111, 1958, 2222, 2225, 2525, 4450, 4895, 5050, 5555, 8989, 9790, 11110, 17978, 24475, 27775, 44945, 48950, 55550, 89890, 98879, 197758, 224725, 449450, 494395, 988790, 2471975, 4943950]

約数ペア:

[(1, 4943950), (2, 2471975), (5, 988790), (10, 494395), (11, 449450), (22, 224725), (25, 197758), (50, 98879), (55, 89890), (89, 55550), (101, 48950), (110, 44945), (178, 27775), (202, 24475), (275, 17978), (445, 11110), (505, 9790), (550, 8989), (890, 5555), (979, 5050), (1010, 4895), (1111, 4450), (1958, 2525), (2222, 2225)]