2019921365

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{1117}}^1$

素因数の和:1219

約数の個数: 72

約数和(自身を含む): 3152907576

約数和(自身を除く): 1132986211

約数列:

[1, 5, 7, 11, 35, 49, 55, 61, 77, 121, 245, 305, 385, 427, 539, 605, 671, 847, 1117, 2135, 2695, 2989, 3355, 4235, 4697, 5585, 5929, 7381, 7819, 12287, 14945, 23485, 29645, 32879, 36905, 39095, 51667, 54733, 61435, 68137, 86009, 135157, 164395, 258335, 273665, 340685, 361669, 430045, 476959, 602063, 675785, 749507, 946099, 1808345, 2384795, 3010315, 3338713, 3747535, 4730495, 5246549, 6622693, 8244577, 16693565, 26232745, 33113465, 36725843, 41222885, 57712039, 183629215, 288560195, 403984273, 2019921365]

約数ペア:

[(1, 2019921365), (5, 403984273), (7, 288560195), (11, 183629215), (35, 57712039), (49, 41222885), (55, 36725843), (61, 33113465), (77, 26232745), (121, 16693565), (245, 8244577), (305, 6622693), (385, 5246549), (427, 4730495), (539, 3747535), (605, 3338713), (671, 3010315), (847, 2384795), (1117, 1808345), (2135, 946099), (2695, 749507), (2989, 675785), (3355, 602063), (4235, 476959), (4697, 430045), (5585, 361669), (5929, 340685), (7381, 273665), (7819, 258335), (12287, 164395), (14945, 135157), (23485, 86009), (29645, 68137), (32879, 61435), (36905, 54733), (39095, 51667)]