1091140

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{613}}^1$

素因数の和:711

約数の個数: 24

約数和(自身を含む): 2320920

約数和(自身を除く): 1229780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 613, 890, 1226, 1780, 2452, 3065, 6130, 12260, 54557, 109114, 218228, 272785, 545570, 1091140]

約数ペア:

[(1, 1091140), (2, 545570), (4, 272785), (5, 218228), (10, 109114), (20, 54557), (89, 12260), (178, 6130), (356, 3065), (445, 2452), (613, 1780), (890, 1226)]