379720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{863}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 933120

約数和(自身を除く): 553400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 863, 1726, 3452, 4315, 6904, 8630, 9493, 17260, 18986, 34520, 37972, 47465, 75944, 94930, 189860, 379720]

約数ペア:

[(1, 379720), (2, 189860), (4, 94930), (5, 75944), (8, 47465), (10, 37972), (11, 34520), (20, 18986), (22, 17260), (40, 9493), (44, 8630), (55, 6904), (88, 4315), (110, 3452), (220, 1726), (440, 863)]