86988580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{621347}}^1$

素因数の和:621363

約数の個数: 24

約数和(自身を含む): 208772928

約数和(自身を除く): 121784348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 621347, 1242694, 2485388, 3106735, 4349429, 6213470, 8698858, 12426940, 17397716, 21747145, 43494290, 86988580]

約数ペア:

[(1, 86988580), (2, 43494290), (4, 21747145), (5, 17397716), (7, 12426940), (10, 8698858), (14, 6213470), (20, 4349429), (28, 3106735), (35, 2485388), (70, 1242694), (140, 621347)]