201554740

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113233}}^1$

素因数の和:113331

約数の個数: 24

約数和(自身を含む): 428024520

約数和(自身を除く): 226469780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 113233, 226466, 452932, 566165, 1132330, 2264660, 10077737, 20155474, 40310948, 50388685, 100777370, 201554740]

約数ペア:

[(1, 201554740), (2, 100777370), (4, 50388685), (5, 40310948), (10, 20155474), (20, 10077737), (89, 2264660), (178, 1132330), (356, 566165), (445, 452932), (890, 226466), (1780, 113233)]