245187866

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:121

約数の個数: 144

約数和(自身を含む): 523998720

約数和(自身を除く): 278810854

約数列:

[1, 2, 7, 11, 14, 22, 23, 29, 31, 46, 49, 58, 62, 77, 98, 121, 154, 161, 203, 217, 242, 253, 319, 322, 341, 406, 434, 506, 539, 638, 667, 682, 713, 847, 899, 1078, 1127, 1334, 1421, 1426, 1519, 1694, 1771, 1798, 2233, 2254, 2387, 2783, 2842, 3038, 3509, 3542, 3751, 4466, 4669, 4774, 4991, 5566, 5929, 6293, 7018, 7337, 7502, 7843, 9338, 9889, 9982, 11858, 12397, 12586, 14674, 15631, 15686, 16709, 19481, 19778, 20677, 24563, 24794, 26257, 31262, 32683, 33418, 34937, 38962, 41354, 44051, 49126, 51359, 52514, 54901, 65366, 69223, 69874, 80707, 86273, 88102, 102718, 108779, 109802, 136367, 138446, 144739, 161414, 171941, 172546, 183799, 217558, 227447, 272734, 289478, 343882, 359513, 367598, 384307, 454894, 484561, 564949, 603911, 719026, 761453, 768614, 969122, 1013173, 1129898, 1207822, 1522906, 1592129, 2026346, 2501917, 3184258, 3954643, 4227377, 5003834, 5330171, 7909286, 8454754, 10660342, 11144903, 17513419, 22289806, 35026838, 122593933, 245187866]

約数ペア:

[(1, 245187866), (2, 122593933), (7, 35026838), (11, 22289806), (14, 17513419), (22, 11144903), (23, 10660342), (29, 8454754), (31, 7909286), (46, 5330171), (49, 5003834), (58, 4227377), (62, 3954643), (77, 3184258), (98, 2501917), (121, 2026346), (154, 1592129), (161, 1522906), (203, 1207822), (217, 1129898), (242, 1013173), (253, 969122), (319, 768614), (322, 761453), (341, 719026), (406, 603911), (434, 564949), (506, 484561), (539, 454894), (638, 384307), (667, 367598), (682, 359513), (713, 343882), (847, 289478), (899, 272734), (1078, 227447), (1127, 217558), (1334, 183799), (1421, 172546), (1426, 171941), (1519, 161414), (1694, 144739), (1771, 138446), (1798, 136367), (2233, 109802), (2254, 108779), (2387, 102718), (2783, 88102), (2842, 86273), (3038, 80707), (3509, 69874), (3542, 69223), (3751, 65366), (4466, 54901), (4669, 52514), (4774, 51359), (4991, 49126), (5566, 44051), (5929, 41354), (6293, 38962), (7018, 34937), (7337, 33418), (7502, 32683), (7843, 31262), (9338, 26257), (9889, 24794), (9982, 24563), (11858, 20677), (12397, 19778), (12586, 19481), (14674, 16709), (15631, 15686)]