123454970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{983}}^1$

素因数の和:1670

約数の個数: 32

約数和(自身を含む): 234506880

約数和(自身を除く): 111051910

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 661, 983, 1322, 1966, 3305, 4915, 6610, 9830, 12559, 18677, 25118, 37354, 62795, 93385, 125590, 186770, 649763, 1299526, 3248815, 6497630, 12345497, 24690994, 61727485, 123454970]

約数ペア:

[(1, 123454970), (2, 61727485), (5, 24690994), (10, 12345497), (19, 6497630), (38, 3248815), (95, 1299526), (190, 649763), (661, 186770), (983, 125590), (1322, 93385), (1966, 62795), (3305, 37354), (4915, 25118), (6610, 18677), (9830, 12559)]