403497220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2882123}}^1$

素因数の和:2882139

約数の個数: 24

約数和(自身を含む): 968393664

約数和(自身を除く): 564896444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2882123, 5764246, 11528492, 14410615, 20174861, 28821230, 40349722, 57642460, 80699444, 100874305, 201748610, 403497220]

約数ペア:

[(1, 403497220), (2, 201748610), (4, 100874305), (5, 80699444), (7, 57642460), (10, 40349722), (14, 28821230), (20, 20174861), (28, 14410615), (35, 11528492), (70, 5764246), (140, 2882123)]