2017951775

素因数分解:

$5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{1153}}^1$

素因数の和:1380

約数の個数: 48

約数和(自身を含む): 2922592704

約数和(自身を除く): 904640929

約数列:

[1, 5, 7, 25, 35, 73, 137, 175, 365, 511, 685, 959, 1153, 1825, 2555, 3425, 4795, 5765, 8071, 10001, 12775, 23975, 28825, 40355, 50005, 70007, 84169, 157961, 201775, 250025, 350035, 420845, 589183, 789805, 1105727, 1750175, 2104225, 2945915, 3949025, 5528635, 11531153, 14729575, 27643175, 57655765, 80718071, 288278825, 403590355, 2017951775]

約数ペア:

[(1, 2017951775), (5, 403590355), (7, 288278825), (25, 80718071), (35, 57655765), (73, 27643175), (137, 14729575), (175, 11531153), (365, 5528635), (511, 3949025), (685, 2945915), (959, 2104225), (1153, 1750175), (1825, 1105727), (2555, 789805), (3425, 589183), (4795, 420845), (5765, 350035), (8071, 250025), (10001, 201775), (12775, 157961), (23975, 84169), (28825, 70007), (40355, 50005)]