90348580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{645347}}^1$

素因数の和:645363

約数の個数: 24

約数和(自身を含む): 216836928

約数和(自身を除く): 126488348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 645347, 1290694, 2581388, 3226735, 4517429, 6453470, 9034858, 12906940, 18069716, 22587145, 45174290, 90348580]

約数ペア:

[(1, 90348580), (2, 45174290), (4, 22587145), (5, 18069716), (7, 12906940), (10, 9034858), (14, 6453470), (20, 4517429), (28, 3226735), (35, 2581388), (70, 1290694), (140, 645347)]