551420128

素因数分解:

$2^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:349

約数の個数: 144

約数和(自身を含む): 1351365120

約数和(自身を除く): 799944992

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 76, 83, 98, 112, 133, 152, 166, 196, 223, 224, 266, 304, 332, 392, 446, 532, 581, 608, 664, 784, 892, 931, 1064, 1162, 1328, 1561, 1568, 1577, 1784, 1862, 2128, 2324, 2656, 3122, 3154, 3568, 3724, 4067, 4237, 4256, 4648, 6244, 6308, 7136, 7448, 8134, 8474, 9296, 10927, 11039, 12488, 12616, 14896, 16268, 16948, 18509, 18592, 21854, 22078, 24976, 25232, 29659, 29792, 32536, 33896, 37018, 43708, 44156, 49952, 50464, 59318, 65072, 67792, 74036, 77273, 87416, 88312, 118636, 129563, 130144, 135584, 148072, 154546, 174832, 176624, 207613, 237272, 259126, 296144, 309092, 349664, 351671, 353248, 415226, 474544, 518252, 592288, 618184, 703342, 830452, 906941, 949088, 1036504, 1236368, 1406684, 1660904, 1813882, 2073008, 2461697, 2472736, 2813368, 3321808, 3627764, 4146016, 4923394, 5626736, 6643616, 7255528, 9846788, 11253472, 14511056, 17231879, 19693576, 29022112, 34463758, 39387152, 68927516, 78774304, 137855032, 275710064, 551420128]

約数ペア:

[(1, 551420128), (2, 275710064), (4, 137855032), (7, 78774304), (8, 68927516), (14, 39387152), (16, 34463758), (19, 29022112), (28, 19693576), (32, 17231879), (38, 14511056), (49, 11253472), (56, 9846788), (76, 7255528), (83, 6643616), (98, 5626736), (112, 4923394), (133, 4146016), (152, 3627764), (166, 3321808), (196, 2813368), (223, 2472736), (224, 2461697), (266, 2073008), (304, 1813882), (332, 1660904), (392, 1406684), (446, 1236368), (532, 1036504), (581, 949088), (608, 906941), (664, 830452), (784, 703342), (892, 618184), (931, 592288), (1064, 518252), (1162, 474544), (1328, 415226), (1561, 353248), (1568, 351671), (1577, 349664), (1784, 309092), (1862, 296144), (2128, 259126), (2324, 237272), (2656, 207613), (3122, 176624), (3154, 174832), (3568, 154546), (3724, 148072), (4067, 135584), (4237, 130144), (4256, 129563), (4648, 118636), (6244, 88312), (6308, 87416), (7136, 77273), (7448, 74036), (8134, 67792), (8474, 65072), (9296, 59318), (10927, 50464), (11039, 49952), (12488, 44156), (12616, 43708), (14896, 37018), (16268, 33896), (16948, 32536), (18509, 29792), (18592, 29659), (21854, 25232), (22078, 24976)]