2871280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1889}}^1$

素因数の和:1921

約数の個数: 40

約数和(自身を含む): 7030800

約数和(自身を除く): 4159520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1889, 3778, 7556, 9445, 15112, 18890, 30224, 35891, 37780, 71782, 75560, 143564, 151120, 179455, 287128, 358910, 574256, 717820, 1435640, 2871280]

約数ペア:

[(1, 2871280), (2, 1435640), (4, 717820), (5, 574256), (8, 358910), (10, 287128), (16, 179455), (19, 151120), (20, 143564), (38, 75560), (40, 71782), (76, 37780), (80, 35891), (95, 30224), (152, 18890), (190, 15112), (304, 9445), (380, 7556), (760, 3778), (1520, 1889)]