1949590940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{521281}}^1$

素因数の和:521318

約数の個数: 48

約数和(自身を含む): 4729070304

約数和(自身を除く): 2779479364

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, 521281, 1042562, 2085124, 2606405, 5212810, 5734091, 8861777, 10425620, 11468182, 17723554, 22936364, 28670455, 35447108, 44308885, 57340910, 88617770, 97479547, 114681820, 177235540, 194959094, 389918188, 487397735, 974795470, 1949590940]

約数ペア:

[(1, 1949590940), (2, 974795470), (4, 487397735), (5, 389918188), (10, 194959094), (11, 177235540), (17, 114681820), (20, 97479547), (22, 88617770), (34, 57340910), (44, 44308885), (55, 35447108), (68, 28670455), (85, 22936364), (110, 17723554), (170, 11468182), (187, 10425620), (220, 8861777), (340, 5734091), (374, 5212810), (748, 2606405), (935, 2085124), (1870, 1042562), (3740, 521281)]