146780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:229

約数の個数: 24

約数和(自身を含む): 317520

約数和(自身を除く): 170740

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 179, 205, 358, 410, 716, 820, 895, 1790, 3580, 7339, 14678, 29356, 36695, 73390, 146780]

約数ペア:

[(1, 146780), (2, 73390), (4, 36695), (5, 29356), (10, 14678), (20, 7339), (41, 3580), (82, 1790), (164, 895), (179, 820), (205, 716), (358, 410)]