90425860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{911}}^1$

素因数の和:1636

約数の個数: 48

約数和(自身を含む): 217566720

約数和(自身を除く): 127140860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 709, 911, 1418, 1822, 2836, 3545, 3644, 4555, 4963, 6377, 7090, 9110, 9926, 12754, 14180, 18220, 19852, 24815, 25508, 31885, 49630, 63770, 99260, 127540, 645899, 1291798, 2583596, 3229495, 4521293, 6458990, 9042586, 12917980, 18085172, 22606465, 45212930, 90425860]

約数ペア:

[(1, 90425860), (2, 45212930), (4, 22606465), (5, 18085172), (7, 12917980), (10, 9042586), (14, 6458990), (20, 4521293), (28, 3229495), (35, 2583596), (70, 1291798), (140, 645899), (709, 127540), (911, 99260), (1418, 63770), (1822, 49630), (2836, 31885), (3545, 25508), (3644, 24815), (4555, 19852), (4963, 18220), (6377, 14180), (7090, 12754), (9110, 9926)]