202549820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{1423}}^1$

素因数の和:2090

約数の個数: 48

約数和(自身を含む): 465067008

約数和(自身を除く): 262517188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 647, 1294, 1423, 2588, 2846, 3235, 5692, 6470, 7115, 7117, 12940, 14230, 14234, 15653, 28460, 28468, 31306, 35585, 62612, 71170, 78265, 142340, 156530, 313060, 920681, 1841362, 3682724, 4603405, 9206810, 10127491, 18413620, 20254982, 40509964, 50637455, 101274910, 202549820]

約数ペア:

[(1, 202549820), (2, 101274910), (4, 50637455), (5, 40509964), (10, 20254982), (11, 18413620), (20, 10127491), (22, 9206810), (44, 4603405), (55, 3682724), (110, 1841362), (220, 920681), (647, 313060), (1294, 156530), (1423, 142340), (2588, 78265), (2846, 71170), (3235, 62612), (5692, 35585), (6470, 31306), (7115, 28468), (7117, 28460), (12940, 15653), (14230, 14234)]