1218161980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{185131}}^1$

素因数の和:185194

約数の個数: 48

約数和(自身を含む): 2985808896

約数和(自身を除く): 1767646916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 185131, 370262, 740524, 925655, 1295917, 1851310, 2591834, 3702620, 5183668, 6479585, 8701157, 12959170, 17402314, 25918340, 34804628, 43505785, 60908099, 87011570, 121816198, 174023140, 243632396, 304540495, 609080990, 1218161980]

約数ペア:

[(1, 1218161980), (2, 609080990), (4, 304540495), (5, 243632396), (7, 174023140), (10, 121816198), (14, 87011570), (20, 60908099), (28, 43505785), (35, 34804628), (47, 25918340), (70, 17402314), (94, 12959170), (140, 8701157), (188, 6479585), (235, 5183668), (329, 3702620), (470, 2591834), (658, 1851310), (940, 1295917), (1316, 925655), (1645, 740524), (3290, 370262), (6580, 185131)]