2011229990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{479}}^1$

素因数の和:571

約数の個数: 192

約数和(自身を含む): 4964198400

約数和(自身を除く): 2952968410

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 41, 49, 55, 70, 77, 82, 95, 98, 110, 133, 154, 190, 205, 209, 245, 266, 287, 385, 410, 418, 451, 479, 490, 539, 574, 665, 770, 779, 902, 931, 958, 1045, 1078, 1330, 1435, 1463, 1558, 1862, 2009, 2090, 2255, 2395, 2695, 2870, 2926, 3157, 3353, 3895, 4018, 4510, 4655, 4790, 5269, 5390, 5453, 6314, 6706, 7315, 7790, 8569, 9101, 9310, 10045, 10241, 10538, 10906, 14630, 15785, 16765, 17138, 18202, 19639, 20090, 20482, 22099, 23471, 26345, 27265, 31570, 33530, 36883, 38171, 39278, 42845, 44198, 45505, 46942, 51205, 52690, 54530, 59983, 63707, 73766, 76342, 85690, 91010, 98195, 100111, 102410, 110495, 117355, 119966, 127414, 137473, 184415, 190855, 196390, 200222, 216029, 220990, 234710, 258181, 274946, 299915, 318535, 368830, 373141, 381710, 419881, 432058, 445949, 500555, 516362, 599830, 637070, 687365, 700777, 746282, 839762, 891898, 962311, 1001110, 1080145, 1290905, 1374730, 1401554, 1512203, 1865705, 1924622, 2099405, 2160290, 2229745, 2581810, 2611987, 3024406, 3503885, 3731410, 4104551, 4198810, 4459490, 4811555, 4905439, 5223974, 7007770, 7561015, 8209102, 9623110, 9810878, 10585421, 13059935, 15122030, 18283909, 20522755, 21170842, 24527195, 26119870, 28731857, 36567818, 41045510, 49054390, 52927105, 57463714, 91419545, 105854210, 143659285, 182839090, 201122999, 287318570, 402245998, 1005614995, 2011229990]

約数ペア:

[(1, 2011229990), (2, 1005614995), (5, 402245998), (7, 287318570), (10, 201122999), (11, 182839090), (14, 143659285), (19, 105854210), (22, 91419545), (35, 57463714), (38, 52927105), (41, 49054390), (49, 41045510), (55, 36567818), (70, 28731857), (77, 26119870), (82, 24527195), (95, 21170842), (98, 20522755), (110, 18283909), (133, 15122030), (154, 13059935), (190, 10585421), (205, 9810878), (209, 9623110), (245, 8209102), (266, 7561015), (287, 7007770), (385, 5223974), (410, 4905439), (418, 4811555), (451, 4459490), (479, 4198810), (490, 4104551), (539, 3731410), (574, 3503885), (665, 3024406), (770, 2611987), (779, 2581810), (902, 2229745), (931, 2160290), (958, 2099405), (1045, 1924622), (1078, 1865705), (1330, 1512203), (1435, 1401554), (1463, 1374730), (1558, 1290905), (1862, 1080145), (2009, 1001110), (2090, 962311), (2255, 891898), (2395, 839762), (2695, 746282), (2870, 700777), (2926, 687365), (3157, 637070), (3353, 599830), (3895, 516362), (4018, 500555), (4510, 445949), (4655, 432058), (4790, 419881), (5269, 381710), (5390, 373141), (5453, 368830), (6314, 318535), (6706, 299915), (7315, 274946), (7790, 258181), (8569, 234710), (9101, 220990), (9310, 216029), (10045, 200222), (10241, 196390), (10538, 190855), (10906, 184415), (14630, 137473), (15785, 127414), (16765, 119966), (17138, 117355), (18202, 110495), (19639, 102410), (20090, 100111), (20482, 98195), (22099, 91010), (23471, 85690), (26345, 76342), (27265, 73766), (31570, 63707), (33530, 59983), (36883, 54530), (38171, 52690), (39278, 51205), (42845, 46942), (44198, 45505)]