1249220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{8923}}^1$

素因数の和:8939

約数の個数: 24

約数和(自身を含む): 2998464

約数和(自身を除く): 1749244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 8923, 17846, 35692, 44615, 62461, 89230, 124922, 178460, 249844, 312305, 624610, 1249220]

約数ペア:

[(1, 1249220), (2, 624610), (4, 312305), (5, 249844), (7, 178460), (10, 124922), (14, 89230), (20, 62461), (28, 44615), (35, 35692), (70, 17846), (140, 8923)]