121218440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{432923}}^1$

素因数の和:432941

約数の個数: 32

約数和(自身を含む): 311705280

約数和(自身を除く): 190486840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 432923, 865846, 1731692, 2164615, 3030461, 3463384, 4329230, 6060922, 8658460, 12121844, 15152305, 17316920, 24243688, 30304610, 60609220, 121218440]

約数ペア:

[(1, 121218440), (2, 60609220), (4, 30304610), (5, 24243688), (7, 17316920), (8, 15152305), (10, 12121844), (14, 8658460), (20, 6060922), (28, 4329230), (35, 3463384), (40, 3030461), (56, 2164615), (70, 1731692), (140, 865846), (280, 432923)]