2142720220

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{359}}^1\times {\mathrm{1787}}^1$

素因数の和:2322

約数の個数: 48

約数和(自身を含む): 4541806080

約数和(自身を除く): 2399085860

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 359, 668, 718, 835, 1436, 1670, 1787, 1795, 3340, 3574, 3590, 7148, 7180, 8935, 17870, 35740, 59953, 119906, 239812, 298429, 299765, 596858, 599530, 641533, 1193716, 1199060, 1283066, 1492145, 2566132, 2984290, 3207665, 5968580, 6415330, 12830660, 107136011, 214272022, 428544044, 535680055, 1071360110, 2142720220]

約数ペア:

[(1, 2142720220), (2, 1071360110), (4, 535680055), (5, 428544044), (10, 214272022), (20, 107136011), (167, 12830660), (334, 6415330), (359, 5968580), (668, 3207665), (718, 2984290), (835, 2566132), (1436, 1492145), (1670, 1283066), (1787, 1199060), (1795, 1193716), (3340, 641533), (3574, 599530), (3590, 596858), (7148, 299765), (7180, 298429), (8935, 239812), (17870, 119906), (35740, 59953)]