149493640

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{20879}}^1$

素因数の和:21069

約数の個数: 32

約数和(自身を含む): 338256000

約数和(自身を除く): 188762360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 3580, 7160, 20879, 41758, 83516, 104395, 167032, 208790, 417580, 835160, 3737341, 7474682, 14949364, 18686705, 29898728, 37373410, 74746820, 149493640]

約数ペア:

[(1, 149493640), (2, 74746820), (4, 37373410), (5, 29898728), (8, 18686705), (10, 14949364), (20, 7474682), (40, 3737341), (179, 835160), (358, 417580), (716, 208790), (895, 167032), (1432, 104395), (1790, 83516), (3580, 41758), (7160, 20879)]