188553640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{428531}}^1$

素因数の和:428553

約数の個数: 32

約数和(自身を含む): 462814560

約数和(自身を除く): 274260920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 428531, 857062, 1714124, 2142655, 3428248, 4285310, 4713841, 8570620, 9427682, 17141240, 18855364, 23569205, 37710728, 47138410, 94276820, 188553640]

約数ペア:

[(1, 188553640), (2, 94276820), (4, 47138410), (5, 37710728), (8, 23569205), (10, 18855364), (11, 17141240), (20, 9427682), (22, 8570620), (40, 4713841), (44, 4285310), (55, 3428248), (88, 2142655), (110, 1714124), (220, 857062), (440, 428531)]