123689440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{110437}}^1$

素因数の和:110459

約数の個数: 48

約数和(自身を含む): 333964512

約数和(自身を除く): 210275072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 110437, 220874, 441748, 552185, 773059, 883496, 1104370, 1546118, 1766992, 2208740, 3092236, 3533984, 3865295, 4417480, 6184472, 7730590, 8834960, 12368944, 15461180, 17669920, 24737888, 30922360, 61844720, 123689440]

約数ペア:

[(1, 123689440), (2, 61844720), (4, 30922360), (5, 24737888), (7, 17669920), (8, 15461180), (10, 12368944), (14, 8834960), (16, 7730590), (20, 6184472), (28, 4417480), (32, 3865295), (35, 3533984), (40, 3092236), (56, 2208740), (70, 1766992), (80, 1546118), (112, 1104370), (140, 883496), (160, 773059), (224, 552185), (280, 441748), (560, 220874), (1120, 110437)]