633995020

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{439}}^1\times {\mathrm{443}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 1345639680

約数和(自身を除く): 711644660

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 439, 443, 652, 815, 878, 886, 1630, 1756, 1772, 2195, 2215, 3260, 4390, 4430, 8780, 8860, 71557, 72209, 143114, 144418, 194477, 286228, 288836, 357785, 361045, 388954, 715570, 722090, 777908, 972385, 1431140, 1444180, 1944770, 3889540, 31699751, 63399502, 126799004, 158498755, 316997510, 633995020]

約数ペア:

[(1, 633995020), (2, 316997510), (4, 158498755), (5, 126799004), (10, 63399502), (20, 31699751), (163, 3889540), (326, 1944770), (439, 1444180), (443, 1431140), (652, 972385), (815, 777908), (878, 722090), (886, 715570), (1630, 388954), (1756, 361045), (1772, 357785), (2195, 288836), (2215, 286228), (3260, 194477), (4390, 144418), (4430, 143114), (8780, 72209), (8860, 71557)]