74142145

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 118445544

約数和(自身を除く): 44303399

約数列:

[1, 5, 7, 11, 35, 41, 49, 55, 61, 77, 121, 205, 245, 287, 305, 385, 427, 451, 539, 605, 671, 847, 1435, 2009, 2135, 2255, 2501, 2695, 2989, 3157, 3355, 4235, 4697, 4961, 5929, 7381, 10045, 12505, 14945, 15785, 17507, 22099, 23485, 24805, 27511, 29645, 32879, 34727, 36905, 51667, 87535, 110495, 122549, 137555, 164395, 173635, 192577, 243089, 258335, 302621, 361669, 612745, 962885, 1215445, 1348039, 1513105, 1808345, 2118347, 6740195, 10591735, 14828429, 74142145]

約数ペア:

[(1, 74142145), (5, 14828429), (7, 10591735), (11, 6740195), (35, 2118347), (41, 1808345), (49, 1513105), (55, 1348039), (61, 1215445), (77, 962885), (121, 612745), (205, 361669), (245, 302621), (287, 258335), (305, 243089), (385, 192577), (427, 173635), (451, 164395), (539, 137555), (605, 122549), (671, 110495), (847, 87535), (1435, 51667), (2009, 36905), (2135, 34727), (2255, 32879), (2501, 29645), (2695, 27511), (2989, 24805), (3157, 23485), (3355, 22099), (4235, 17507), (4697, 15785), (4961, 14945), (5929, 12505), (7381, 10045)]