247908220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1770773}}^1$

素因数の和:1770789

約数の個数: 24

約数和(自身を含む): 594980064

約数和(自身を除く): 347071844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1770773, 3541546, 7083092, 8853865, 12395411, 17707730, 24790822, 35415460, 49581644, 61977055, 123954110, 247908220]

約数ペア:

[(1, 247908220), (2, 123954110), (4, 61977055), (5, 49581644), (7, 35415460), (10, 24790822), (14, 17707730), (20, 12395411), (28, 8853865), (35, 7083092), (70, 3541546), (140, 1770773)]