233180

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:229

約数の個数: 24

約数和(自身を含む): 498960

約数和(自身を除く): 265780

約数列:

[1, 2, 4, 5, 10, 20, 89, 131, 178, 262, 356, 445, 524, 655, 890, 1310, 1780, 2620, 11659, 23318, 46636, 58295, 116590, 233180]

約数ペア:

[(1, 233180), (2, 116590), (4, 58295), (5, 46636), (10, 23318), (20, 11659), (89, 2620), (131, 1780), (178, 1310), (262, 890), (356, 655), (445, 524)]