201731860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53939}}^1$

素因数の和:53976

約数の個数: 48

約数和(自身を含む): 489343680

約数和(自身を除く): 287611820

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 53939, 107878, 215756, 269695, 539390, 593329, 916963, 1078780, 1186658, 1833926, 2373316, 2966645, 3667852, 4584815, 5933290, 9169630, 10086593, 11866580, 18339260, 20173186, 40346372, 50432965, 100865930, 201731860]

約数ペア:

[(1, 201731860), (2, 100865930), (4, 50432965), (5, 40346372), (10, 20173186), (11, 18339260), (17, 11866580), (20, 10086593), (22, 9169630), (34, 5933290), (44, 4584815), (55, 3667852), (68, 2966645), (85, 2373316), (110, 1833926), (170, 1186658), (187, 1078780), (220, 916963), (340, 593329), (374, 539390), (748, 269695), (935, 215756), (1870, 107878), (3740, 53939)]