1994697740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{563}}^1\times {\mathrm{25307}}^1$

素因数の和:25886

約数の個数: 48

約数和(自身を含む): 4795967232

約数和(自身を除く): 2801269492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 563, 1126, 2252, 2815, 3941, 5630, 7882, 11260, 15764, 19705, 25307, 39410, 50614, 78820, 101228, 126535, 177149, 253070, 354298, 506140, 708596, 885745, 1771490, 3542980, 14247841, 28495682, 56991364, 71239205, 99734887, 142478410, 199469774, 284956820, 398939548, 498674435, 997348870, 1994697740]

約数ペア:

[(1, 1994697740), (2, 997348870), (4, 498674435), (5, 398939548), (7, 284956820), (10, 199469774), (14, 142478410), (20, 99734887), (28, 71239205), (35, 56991364), (70, 28495682), (140, 14247841), (563, 3542980), (1126, 1771490), (2252, 885745), (2815, 708596), (3941, 506140), (5630, 354298), (7882, 253070), (11260, 177149), (15764, 126535), (19705, 101228), (25307, 78820), (39410, 50614)]