2247479720

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{515477}}^1$

素因数の和:515597

約数の個数: 32

約数和(自身を含む): 5103232200

約数和(自身を除く): 2855752480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 515477, 1030954, 2061908, 2577385, 4123816, 5154770, 10309540, 20619080, 56186993, 112373986, 224747972, 280934965, 449495944, 561869930, 1123739860, 2247479720]

約数ペア:

[(1, 2247479720), (2, 1123739860), (4, 561869930), (5, 449495944), (8, 280934965), (10, 224747972), (20, 112373986), (40, 56186993), (109, 20619080), (218, 10309540), (436, 5154770), (545, 4123816), (872, 2577385), (1090, 2061908), (2180, 1030954), (4360, 515477)]