384720140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{63907}}^1$

素因数の和:63966

約数の個数: 48

約数和(自身を含む): 944815872

約数和(自身を除く): 560095732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 63907, 127814, 255628, 319535, 447349, 639070, 894698, 1278140, 1789396, 2236745, 2748001, 4473490, 5496002, 8946980, 10992004, 13740005, 19236007, 27480010, 38472014, 54960020, 76944028, 96180035, 192360070, 384720140]

約数ペア:

[(1, 384720140), (2, 192360070), (4, 96180035), (5, 76944028), (7, 54960020), (10, 38472014), (14, 27480010), (20, 19236007), (28, 13740005), (35, 10992004), (43, 8946980), (70, 5496002), (86, 4473490), (140, 2748001), (172, 2236745), (215, 1789396), (301, 1278140), (430, 894698), (602, 639070), (860, 447349), (1204, 319535), (1505, 255628), (3010, 127814), (6020, 63907)]