203719220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1\times {\mathrm{593}}^1$

素因数の和:884

約数の個数: 48

約数和(自身を含む): 435592080

約数和(自身を除く): 231872860

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 193, 356, 386, 445, 593, 772, 890, 965, 1186, 1780, 1930, 2372, 2965, 3860, 5930, 11860, 17177, 34354, 52777, 68708, 85885, 105554, 114449, 171770, 211108, 228898, 263885, 343540, 457796, 527770, 572245, 1055540, 1144490, 2288980, 10185961, 20371922, 40743844, 50929805, 101859610, 203719220]

約数ペア:

[(1, 203719220), (2, 101859610), (4, 50929805), (5, 40743844), (10, 20371922), (20, 10185961), (89, 2288980), (178, 1144490), (193, 1055540), (356, 572245), (386, 527770), (445, 457796), (593, 343540), (772, 263885), (890, 228898), (965, 211108), (1186, 171770), (1780, 114449), (1930, 105554), (2372, 85885), (2965, 68708), (3860, 52777), (5930, 34354), (11860, 17177)]