220173415

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^2\times {\mathrm{1061}}^1$

素因数の和:1109

約数の個数: 48

約数和(自身を含む): 338990400

約数和(自身を除く): 118816985

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 121, 245, 343, 385, 539, 605, 847, 1061, 1715, 2695, 3773, 4235, 5305, 5929, 7427, 11671, 18865, 29645, 37135, 41503, 51989, 58355, 81697, 128381, 207515, 259945, 363923, 408485, 571879, 641905, 898667, 1819615, 2859395, 4003153, 4493335, 6290669, 20015765, 31453345, 44034683, 220173415]

約数ペア:

[(1, 220173415), (5, 44034683), (7, 31453345), (11, 20015765), (35, 6290669), (49, 4493335), (55, 4003153), (77, 2859395), (121, 1819615), (245, 898667), (343, 641905), (385, 571879), (539, 408485), (605, 363923), (847, 259945), (1061, 207515), (1715, 128381), (2695, 81697), (3773, 58355), (4235, 51989), (5305, 41503), (5929, 37135), (7427, 29645), (11671, 18865)]