389435880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{3245299}}^1$

素因数の和:3245313

約数の個数: 32

約数和(自身を含む): 1168308000

約数和(自身を除く): 778872120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 3245299, 6490598, 9735897, 12981196, 16226495, 19471794, 25962392, 32452990, 38943588, 48679485, 64905980, 77887176, 97358970, 129811960, 194717940, 389435880]

約数ペア:

[(1, 389435880), (2, 194717940), (3, 129811960), (4, 97358970), (5, 77887176), (6, 64905980), (8, 48679485), (10, 38943588), (12, 32452990), (15, 25962392), (20, 19471794), (24, 16226495), (30, 12981196), (40, 9735897), (60, 6490598), (120, 3245299)]