123730180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{6451}}^1$

素因数の和:6604

約数の個数: 48

約数和(自身を含む): 299166336

約数和(自身を除く): 175436156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1918, 2740, 3836, 4795, 6451, 9590, 12902, 19180, 25804, 32255, 45157, 64510, 90314, 129020, 180628, 225785, 451570, 883787, 903140, 1767574, 3535148, 4418935, 6186509, 8837870, 12373018, 17675740, 24746036, 30932545, 61865090, 123730180]

約数ペア:

[(1, 123730180), (2, 61865090), (4, 30932545), (5, 24746036), (7, 17675740), (10, 12373018), (14, 8837870), (20, 6186509), (28, 4418935), (35, 3535148), (70, 1767574), (137, 903140), (140, 883787), (274, 451570), (548, 225785), (685, 180628), (959, 129020), (1370, 90314), (1918, 64510), (2740, 45157), (3836, 32255), (4795, 25804), (6451, 19180), (9590, 12902)]