898368550

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{263}}^1\times {\mathrm{1289}}^1$

素因数の和:1617

約数の個数: 48

約数和(自身を含む): 1710292320

約数和(自身を除く): 811923770

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 263, 265, 526, 530, 1289, 1315, 1325, 2578, 2630, 2650, 6445, 6575, 12890, 13150, 13939, 27878, 32225, 64450, 68317, 69695, 136634, 139390, 339007, 341585, 348475, 678014, 683170, 696950, 1695035, 1707925, 3390070, 3415850, 8475175, 16950350, 17967371, 35934742, 89836855, 179673710, 449184275, 898368550]

約数ペア:

[(1, 898368550), (2, 449184275), (5, 179673710), (10, 89836855), (25, 35934742), (50, 17967371), (53, 16950350), (106, 8475175), (263, 3415850), (265, 3390070), (526, 1707925), (530, 1695035), (1289, 696950), (1315, 683170), (1325, 678014), (2578, 348475), (2630, 341585), (2650, 339007), (6445, 139390), (6575, 136634), (12890, 69695), (13150, 68317), (13939, 64450), (27878, 32225)]