201140

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:211

約数の個数: 24

約数和(自身を含む): 430920

約数和(自身を除く): 229780

約数列:

[1, 2, 4, 5, 10, 20, 89, 113, 178, 226, 356, 445, 452, 565, 890, 1130, 1780, 2260, 10057, 20114, 40228, 50285, 100570, 201140]

約数ペア:

[(1, 201140), (2, 100570), (4, 50285), (5, 40228), (10, 20114), (20, 10057), (89, 2260), (113, 1780), (178, 1130), (226, 890), (356, 565), (445, 452)]