399109860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2217277}}^1$

素因数の和:2217292

約数の個数: 36

約数和(自身を含む): 1210633788

約数和(自身を除く): 811523928

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2217277, 4434554, 6651831, 8869108, 11086385, 13303662, 19955493, 22172770, 26607324, 33259155, 39910986, 44345540, 66518310, 79821972, 99777465, 133036620, 199554930, 399109860]

約数ペア:

[(1, 399109860), (2, 199554930), (3, 133036620), (4, 99777465), (5, 79821972), (6, 66518310), (9, 44345540), (10, 39910986), (12, 33259155), (15, 26607324), (18, 22172770), (20, 19955493), (30, 13303662), (36, 11086385), (45, 8869108), (60, 6651831), (90, 4434554), (180, 2217277)]