253914410

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1\times {\mathrm{829}}^1$

素因数の和:1226

約数の個数: 32

約数和(自身を含む): 463438800

約数和(自身を除く): 209524390

約数列:

[1, 2, 5, 10, 109, 218, 281, 545, 562, 829, 1090, 1405, 1658, 2810, 4145, 8290, 30629, 61258, 90361, 153145, 180722, 232949, 306290, 451805, 465898, 903610, 1164745, 2329490, 25391441, 50782882, 126957205, 253914410]

約数ペア:

[(1, 253914410), (2, 126957205), (5, 50782882), (10, 25391441), (109, 2329490), (218, 1164745), (281, 903610), (545, 465898), (562, 451805), (829, 306290), (1090, 232949), (1405, 180722), (1658, 153145), (2810, 90361), (4145, 61258), (8290, 30629)]