2851219130

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{78137}}^1$

素因数の和:78274

約数の個数: 32

約数和(自身を含む): 5316509520

約数和(自身を除く): 2465290390

約数列:

[1, 2, 5, 10, 41, 82, 89, 178, 205, 410, 445, 890, 3649, 7298, 18245, 36490, 78137, 156274, 390685, 781370, 3203617, 6407234, 6954193, 13908386, 16018085, 32036170, 34770965, 69541930, 285121913, 570243826, 1425609565, 2851219130]

約数ペア:

[(1, 2851219130), (2, 1425609565), (5, 570243826), (10, 285121913), (41, 69541930), (82, 34770965), (89, 32036170), (178, 16018085), (205, 13908386), (410, 6954193), (445, 6407234), (890, 3203617), (3649, 781370), (7298, 390685), (18245, 156274), (36490, 78137)]