121799440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{217499}}^1$

素因数の和:217519

約数の個数: 40

約数和(自身を含む): 323640000

約数和(自身を除く): 201840560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 217499, 434998, 869996, 1087495, 1522493, 1739992, 2174990, 3044986, 3479984, 4349980, 6089972, 7612465, 8699960, 12179944, 15224930, 17399920, 24359888, 30449860, 60899720, 121799440]

約数ペア:

[(1, 121799440), (2, 60899720), (4, 30449860), (5, 24359888), (7, 17399920), (8, 15224930), (10, 12179944), (14, 8699960), (16, 7612465), (20, 6089972), (28, 4349980), (35, 3479984), (40, 3044986), (56, 2174990), (70, 1739992), (80, 1522493), (112, 1087495), (140, 869996), (280, 434998), (560, 217499)]