311922892780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1997}}^1\times {\mathrm{3793}}^1$

素因数の和:5899

約数の個数: 96

約数和(自身を含む): 687694976640

約数和(自身を除く): 375772083860

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 71, 116, 142, 145, 284, 290, 355, 580, 710, 1420, 1997, 2059, 3793, 3994, 4118, 7586, 7988, 8236, 9985, 10295, 15172, 18965, 19970, 20590, 37930, 39940, 41180, 57913, 75860, 109997, 115826, 141787, 219994, 231652, 269303, 283574, 289565, 439988, 538606, 549985, 567148, 579130, 708935, 1077212, 1099970, 1158260, 1346515, 1417870, 2199940, 2693030, 2835740, 4111823, 5386060, 7574621, 7809787, 8223646, 15149242, 15619574, 16447292, 20559115, 30298484, 31239148, 37873105, 39048935, 41118230, 75746210, 78097870, 82236460, 151492420, 156195740, 219664009, 439328018, 537798091, 878656036, 1075596182, 1098320045, 2151192364, 2196640090, 2688990455, 4393280180, 5377980910, 10755961820, 15596144639, 31192289278, 62384578556, 77980723195, 155961446390, 311922892780]

約数ペア:

[(1, 311922892780), (2, 155961446390), (4, 77980723195), (5, 62384578556), (10, 31192289278), (20, 15596144639), (29, 10755961820), (58, 5377980910), (71, 4393280180), (116, 2688990455), (142, 2196640090), (145, 2151192364), (284, 1098320045), (290, 1075596182), (355, 878656036), (580, 537798091), (710, 439328018), (1420, 219664009), (1997, 156195740), (2059, 151492420), (3793, 82236460), (3994, 78097870), (4118, 75746210), (7586, 41118230), (7988, 39048935), (8236, 37873105), (9985, 31239148), (10295, 30298484), (15172, 20559115), (18965, 16447292), (19970, 15619574), (20590, 15149242), (37930, 8223646), (39940, 7809787), (41180, 7574621), (57913, 5386060), (75860, 4111823), (109997, 2835740), (115826, 2693030), (141787, 2199940), (219994, 1417870), (231652, 1346515), (269303, 1158260), (283574, 1099970), (289565, 1077212), (439988, 708935), (538606, 579130), (549985, 567148)]