31128580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{222347}}^1$

素因数の和:222363

約数の個数: 24

約数和(自身を含む): 74708928

約数和(自身を除く): 43580348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 222347, 444694, 889388, 1111735, 1556429, 2223470, 3112858, 4446940, 6225716, 7782145, 15564290, 31128580]

約数ペア:

[(1, 31128580), (2, 15564290), (4, 7782145), (5, 6225716), (7, 4446940), (10, 3112858), (14, 2223470), (20, 1556429), (28, 1111735), (35, 889388), (70, 444694), (140, 222347)]