1721830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1423}}^1$

素因数の和:1452

約数の個数: 24

約数和(自身を含む): 3409056

約数和(自身を除く): 1687226

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 1423, 2846, 7115, 14230, 15653, 31306, 78265, 156530, 172183, 344366, 860915, 1721830]

約数ペア:

[(1, 1721830), (2, 860915), (5, 344366), (10, 172183), (11, 156530), (22, 78265), (55, 31306), (110, 15653), (121, 14230), (242, 7115), (605, 2846), (1210, 1423)]