2490500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{293}}^1$

素因数の和:329

約数の個数: 48

約数和(自身を含む): 5778864

約数和(自身を除く): 3288364

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 293, 340, 425, 500, 586, 850, 1172, 1465, 1700, 2125, 2930, 4250, 4981, 5860, 7325, 8500, 9962, 14650, 19924, 24905, 29300, 36625, 49810, 73250, 99620, 124525, 146500, 249050, 498100, 622625, 1245250, 2490500]

約数ペア:

[(1, 2490500), (2, 1245250), (4, 622625), (5, 498100), (10, 249050), (17, 146500), (20, 124525), (25, 99620), (34, 73250), (50, 49810), (68, 36625), (85, 29300), (100, 24905), (125, 19924), (170, 14650), (250, 9962), (293, 8500), (340, 7325), (425, 5860), (500, 4981), (586, 4250), (850, 2930), (1172, 2125), (1465, 1700)]