189740

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:241

約数の個数: 24

約数和(自身を含む): 408240

約数和(自身を除く): 218500

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 179, 212, 265, 358, 530, 716, 895, 1060, 1790, 3580, 9487, 18974, 37948, 47435, 94870, 189740]

約数ペア:

[(1, 189740), (2, 94870), (4, 47435), (5, 37948), (10, 18974), (20, 9487), (53, 3580), (106, 1790), (179, 1060), (212, 895), (265, 716), (358, 530)]