1939223780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{14947}}^1$

素因数の和:15468

約数の個数: 48

約数和(自身を含む): 4394712000

約数和(自身を除く): 2455488220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 499, 998, 1996, 2495, 4990, 6487, 9980, 12974, 14947, 25948, 29894, 32435, 59788, 64870, 74735, 129740, 149470, 194311, 298940, 388622, 777244, 971555, 1943110, 3886220, 7458553, 14917106, 29834212, 37292765, 74585530, 96961189, 149171060, 193922378, 387844756, 484805945, 969611890, 1939223780]

約数ペア:

[(1, 1939223780), (2, 969611890), (4, 484805945), (5, 387844756), (10, 193922378), (13, 149171060), (20, 96961189), (26, 74585530), (52, 37292765), (65, 29834212), (130, 14917106), (260, 7458553), (499, 3886220), (998, 1943110), (1996, 971555), (2495, 777244), (4990, 388622), (6487, 298940), (9980, 194311), (12974, 149470), (14947, 129740), (25948, 74735), (29894, 64870), (32435, 59788)]