1976920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4493}}^1$

素因数の和:4515

約数の個数: 32

約数和(自身を含む): 4853520

約数和(自身を除く): 2876600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4493, 8986, 17972, 22465, 35944, 44930, 49423, 89860, 98846, 179720, 197692, 247115, 395384, 494230, 988460, 1976920]

約数ペア:

[(1, 1976920), (2, 988460), (4, 494230), (5, 395384), (8, 247115), (10, 197692), (11, 179720), (20, 98846), (22, 89860), (40, 49423), (44, 44930), (55, 35944), (88, 22465), (110, 17972), (220, 8986), (440, 4493)]