42143425

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:370

約数の個数: 36

約数和(自身を含む): 58624720

約数和(自身を除く): 16481295

約数列:

[1, 5, 17, 19, 25, 85, 95, 289, 307, 323, 425, 475, 1445, 1535, 1615, 5219, 5491, 5833, 7225, 7675, 8075, 26095, 27455, 29165, 88723, 99161, 130475, 137275, 145825, 443615, 495805, 1685737, 2218075, 2479025, 8428685, 42143425]

約数ペア:

[(1, 42143425), (5, 8428685), (17, 2479025), (19, 2218075), (25, 1685737), (85, 495805), (95, 443615), (289, 145825), (307, 137275), (323, 130475), (425, 99161), (475, 88723), (1445, 29165), (1535, 27455), (1615, 26095), (5219, 8075), (5491, 7675), (5833, 7225)]