310291225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{16979}}^1$

素因数の和:17049

約数の個数: 24

約数和(自身を含む): 416892960

約数和(自身を除く): 106601735

約数列:

[1, 5, 17, 25, 43, 85, 215, 425, 731, 1075, 3655, 16979, 18275, 84895, 288643, 424475, 730097, 1443215, 3650485, 7216075, 12411649, 18252425, 62058245, 310291225]

約数ペア:

[(1, 310291225), (5, 62058245), (17, 18252425), (25, 12411649), (43, 7216075), (85, 3650485), (215, 1443215), (425, 730097), (731, 424475), (1075, 288643), (3655, 84895), (16979, 18275)]