2988363920

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{189617}}^1$

素因数の和:189827

約数の個数: 40

約数和(自身を含む): 6983251704

約数和(自身を除く): 3994887784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 7880, 15760, 189617, 379234, 758468, 948085, 1516936, 1896170, 3033872, 3792340, 7584680, 15169360, 37354549, 74709098, 149418196, 186772745, 298836392, 373545490, 597672784, 747090980, 1494181960, 2988363920]

約数ペア:

[(1, 2988363920), (2, 1494181960), (4, 747090980), (5, 597672784), (8, 373545490), (10, 298836392), (16, 186772745), (20, 149418196), (40, 74709098), (80, 37354549), (197, 15169360), (394, 7584680), (788, 3792340), (985, 3033872), (1576, 1896170), (1970, 1516936), (3152, 948085), (3940, 758468), (7880, 379234), (15760, 189617)]