2000949488

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{443}}^1\times {\mathrm{1433}}^1$

素因数の和:2081

約数の個数: 40

約数和(自身を含む): 3908040048

約数和(自身を除く): 1907090560

約数列:

[1, 2, 4, 8, 16, 197, 394, 443, 788, 886, 1433, 1576, 1772, 2866, 3152, 3544, 5732, 7088, 11464, 22928, 87271, 174542, 282301, 349084, 564602, 634819, 698168, 1129204, 1269638, 1396336, 2258408, 2539276, 4516816, 5078552, 10157104, 125059343, 250118686, 500237372, 1000474744, 2000949488]

約数ペア:

[(1, 2000949488), (2, 1000474744), (4, 500237372), (8, 250118686), (16, 125059343), (197, 10157104), (394, 5078552), (443, 4516816), (788, 2539276), (886, 2258408), (1433, 1396336), (1576, 1269638), (1772, 1129204), (2866, 698168), (3152, 634819), (3544, 564602), (5732, 349084), (7088, 282301), (11464, 174542), (22928, 87271)]