29860780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{439}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 66528000

約数和(自身を除く): 36667220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 179, 190, 358, 380, 439, 716, 878, 895, 1756, 1790, 2195, 3401, 3580, 4390, 6802, 8341, 8780, 13604, 16682, 17005, 33364, 34010, 41705, 68020, 78581, 83410, 157162, 166820, 314324, 392905, 785810, 1493039, 1571620, 2986078, 5972156, 7465195, 14930390, 29860780]

約数ペア:

[(1, 29860780), (2, 14930390), (4, 7465195), (5, 5972156), (10, 2986078), (19, 1571620), (20, 1493039), (38, 785810), (76, 392905), (95, 314324), (179, 166820), (190, 157162), (358, 83410), (380, 78581), (439, 68020), (716, 41705), (878, 34010), (895, 33364), (1756, 17005), (1790, 16682), (2195, 13604), (3401, 8780), (3580, 8341), (4390, 6802)]