425127280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{279689}}^1$

素因数の和:279721

約数の個数: 40

約数和(自身を含む): 1040446800

約数和(自身を除く): 615319520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 279689, 559378, 1118756, 1398445, 2237512, 2796890, 4475024, 5314091, 5593780, 10628182, 11187560, 21256364, 22375120, 26570455, 42512728, 53140910, 85025456, 106281820, 212563640, 425127280]

約数ペア:

[(1, 425127280), (2, 212563640), (4, 106281820), (5, 85025456), (8, 53140910), (10, 42512728), (16, 26570455), (19, 22375120), (20, 21256364), (38, 11187560), (40, 10628182), (76, 5593780), (80, 5314091), (95, 4475024), (152, 2796890), (190, 2237512), (304, 1398445), (380, 1118756), (760, 559378), (1520, 279689)]