88889080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{607}}^1$

素因数の和:1148

約数の個数: 64

約数和(自身を含む): 229386240

約数和(自身を除く): 140497160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 523, 607, 1046, 1214, 2092, 2428, 2615, 3035, 3661, 4184, 4249, 4856, 5230, 6070, 7322, 8498, 10460, 12140, 14644, 16996, 18305, 20920, 21245, 24280, 29288, 33992, 36610, 42490, 73220, 84980, 146440, 169960, 317461, 634922, 1269844, 1587305, 2222227, 2539688, 3174610, 4444454, 6349220, 8888908, 11111135, 12698440, 17777816, 22222270, 44444540, 88889080]

約数ペア:

[(1, 88889080), (2, 44444540), (4, 22222270), (5, 17777816), (7, 12698440), (8, 11111135), (10, 8888908), (14, 6349220), (20, 4444454), (28, 3174610), (35, 2539688), (40, 2222227), (56, 1587305), (70, 1269844), (140, 634922), (280, 317461), (523, 169960), (607, 146440), (1046, 84980), (1214, 73220), (2092, 42490), (2428, 36610), (2615, 33992), (3035, 29288), (3661, 24280), (4184, 21245), (4249, 20920), (4856, 18305), (5230, 16996), (6070, 14644), (7322, 12140), (8498, 10460)]