748885228

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:580

約数の個数: 144

約数和(自身を含む): 1787520000

約数和(自身を除く): 1038634772

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 31, 38, 49, 52, 62, 76, 91, 98, 124, 133, 182, 196, 217, 247, 266, 364, 403, 434, 494, 499, 532, 589, 637, 806, 868, 931, 988, 998, 1178, 1274, 1519, 1612, 1729, 1862, 1996, 2356, 2548, 2821, 3038, 3458, 3493, 3724, 4123, 5642, 6076, 6487, 6916, 6986, 7657, 8246, 9481, 11284, 12103, 12974, 13972, 15314, 15469, 16492, 18962, 19747, 24206, 24451, 25948, 28861, 30628, 30938, 37924, 39494, 45409, 48412, 48902, 53599, 57722, 61876, 66367, 78988, 90818, 97804, 107198, 108283, 115444, 123253, 132734, 181636, 201097, 214396, 216566, 246506, 265468, 293911, 317863, 375193, 402194, 433132, 464569, 493012, 587822, 635726, 750386, 757981, 804388, 862771, 929138, 1175644, 1271452, 1407679, 1500772, 1515962, 1725542, 1858276, 2057377, 2815358, 3031924, 3451084, 3820843, 4114754, 5630716, 6039397, 7641686, 8229508, 9853753, 12078794, 14401639, 15283372, 19707506, 24157588, 26745901, 28803278, 39415012, 53491802, 57606556, 106983604, 187221307, 374442614, 748885228]

約数ペア:

[(1, 748885228), (2, 374442614), (4, 187221307), (7, 106983604), (13, 57606556), (14, 53491802), (19, 39415012), (26, 28803278), (28, 26745901), (31, 24157588), (38, 19707506), (49, 15283372), (52, 14401639), (62, 12078794), (76, 9853753), (91, 8229508), (98, 7641686), (124, 6039397), (133, 5630716), (182, 4114754), (196, 3820843), (217, 3451084), (247, 3031924), (266, 2815358), (364, 2057377), (403, 1858276), (434, 1725542), (494, 1515962), (499, 1500772), (532, 1407679), (589, 1271452), (637, 1175644), (806, 929138), (868, 862771), (931, 804388), (988, 757981), (998, 750386), (1178, 635726), (1274, 587822), (1519, 493012), (1612, 464569), (1729, 433132), (1862, 402194), (1996, 375193), (2356, 317863), (2548, 293911), (2821, 265468), (3038, 246506), (3458, 216566), (3493, 214396), (3724, 201097), (4123, 181636), (5642, 132734), (6076, 123253), (6487, 115444), (6916, 108283), (6986, 107198), (7657, 97804), (8246, 90818), (9481, 78988), (11284, 66367), (12103, 61876), (12974, 57722), (13972, 53599), (15314, 48902), (15469, 48412), (16492, 45409), (18962, 39494), (19747, 37924), (24206, 30938), (24451, 30628), (25948, 28861)]