209973800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61757}}^1$

素因数の和:61790

約数の個数: 48

約数和(自身を含む): 516914460

約数和(自身を除く): 306940660

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 61757, 123514, 247028, 308785, 494056, 617570, 1049869, 1235140, 1543925, 2099738, 2470280, 3087850, 4199476, 5249345, 6175700, 8398952, 10498690, 12351400, 20997380, 26246725, 41994760, 52493450, 104986900, 209973800]

約数ペア:

[(1, 209973800), (2, 104986900), (4, 52493450), (5, 41994760), (8, 26246725), (10, 20997380), (17, 12351400), (20, 10498690), (25, 8398952), (34, 6175700), (40, 5249345), (50, 4199476), (68, 3087850), (85, 2470280), (100, 2099738), (136, 1543925), (170, 1235140), (200, 1049869), (340, 617570), (425, 494056), (680, 308785), (850, 247028), (1700, 123514), (3400, 61757)]