123818140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{364171}}^1$

素因数の和:364197

約数の個数: 24

約数和(自身を含む): 275314032

約数和(自身を除く): 151495892

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 364171, 728342, 1456684, 1820855, 3641710, 6190907, 7283420, 12381814, 24763628, 30954535, 61909070, 123818140]

約数ペア:

[(1, 123818140), (2, 61909070), (4, 30954535), (5, 24763628), (10, 12381814), (17, 7283420), (20, 6190907), (34, 3641710), (68, 1820855), (85, 1456684), (170, 728342), (340, 364171)]