1853980840

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{146213}}^1$

素因数の和:146541

約数の個数: 32

約数和(自身を含む): 4184644680

約数和(自身を除く): 2330663840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6340, 12680, 146213, 292426, 584852, 731065, 1169704, 1462130, 2924260, 5848520, 46349521, 92699042, 185398084, 231747605, 370796168, 463495210, 926990420, 1853980840]

約数ペア:

[(1, 1853980840), (2, 926990420), (4, 463495210), (5, 370796168), (8, 231747605), (10, 185398084), (20, 92699042), (40, 46349521), (317, 5848520), (634, 2924260), (1268, 1462130), (1585, 1169704), (2536, 731065), (3170, 584852), (6340, 292426), (12680, 146213)]