209323345

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 336232512

約数和(自身を除く): 126909167

約数列:

[1, 5, 7, 11, 23, 35, 49, 55, 77, 115, 121, 161, 245, 253, 307, 385, 539, 605, 805, 847, 1127, 1265, 1535, 1771, 2149, 2695, 2783, 3377, 4235, 5635, 5929, 7061, 8855, 10745, 12397, 13915, 15043, 16885, 19481, 23639, 29645, 35305, 37147, 49427, 61985, 75215, 77671, 97405, 118195, 136367, 165473, 185735, 247135, 260029, 345989, 388355, 543697, 681835, 827365, 854381, 1300145, 1729945, 1820203, 2718485, 3805879, 4271905, 5980667, 9101015, 19029395, 29903335, 41864669, 209323345]

約数ペア:

[(1, 209323345), (5, 41864669), (7, 29903335), (11, 19029395), (23, 9101015), (35, 5980667), (49, 4271905), (55, 3805879), (77, 2718485), (115, 1820203), (121, 1729945), (161, 1300145), (245, 854381), (253, 827365), (307, 681835), (385, 543697), (539, 388355), (605, 345989), (805, 260029), (847, 247135), (1127, 185735), (1265, 165473), (1535, 136367), (1771, 118195), (2149, 97405), (2695, 77671), (2783, 75215), (3377, 61985), (4235, 49427), (5635, 37147), (5929, 35305), (7061, 29645), (8855, 23639), (10745, 19481), (12397, 16885), (13915, 15043)]