205383410

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1\times {\mathrm{521}}^1$

素因数の和:1106

約数の個数: 32

約数和(自身を含む): 375840000

約数和(自身を除く): 170456590

約数列:

[1, 2, 5, 10, 79, 158, 395, 499, 521, 790, 998, 1042, 2495, 2605, 4990, 5210, 39421, 41159, 78842, 82318, 197105, 205795, 259979, 394210, 411590, 519958, 1299895, 2599790, 20538341, 41076682, 102691705, 205383410]

約数ペア:

[(1, 205383410), (2, 102691705), (5, 41076682), (10, 20538341), (79, 2599790), (158, 1299895), (395, 519958), (499, 411590), (521, 394210), (790, 259979), (998, 205795), (1042, 197105), (2495, 82318), (2605, 78842), (4990, 41159), (5210, 39421)]