388584680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{9923}}^1$

素因数の和:10034

約数の個数: 64

約数和(自身を含む): 964612800

約数和(自身を除く): 576028120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 712, 890, 979, 1780, 1958, 3560, 3916, 4895, 7832, 9790, 9923, 19580, 19846, 39160, 39692, 49615, 79384, 99230, 109153, 198460, 218306, 396920, 436612, 545765, 873224, 883147, 1091530, 1766294, 2183060, 3532588, 4366120, 4415735, 7065176, 8831470, 9714617, 17662940, 19429234, 35325880, 38858468, 48573085, 77716936, 97146170, 194292340, 388584680]

約数ペア:

[(1, 388584680), (2, 194292340), (4, 97146170), (5, 77716936), (8, 48573085), (10, 38858468), (11, 35325880), (20, 19429234), (22, 17662940), (40, 9714617), (44, 8831470), (55, 7065176), (88, 4415735), (89, 4366120), (110, 3532588), (178, 2183060), (220, 1766294), (356, 1091530), (440, 883147), (445, 873224), (712, 545765), (890, 436612), (979, 396920), (1780, 218306), (1958, 198460), (3560, 109153), (3916, 99230), (4895, 79384), (7832, 49615), (9790, 39692), (9923, 39160), (19580, 19846)]