284157920

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{443}}^1$

素因数の和:688

約数の個数: 96

約数和(自身を含む): 711607680

約数和(自身を除く): 427449760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 211, 304, 380, 422, 443, 608, 760, 844, 886, 1055, 1520, 1688, 1772, 2110, 2215, 3040, 3376, 3544, 4009, 4220, 4430, 6752, 7088, 8018, 8417, 8440, 8860, 14176, 16036, 16834, 16880, 17720, 20045, 32072, 33668, 33760, 35440, 40090, 42085, 64144, 67336, 70880, 80180, 84170, 93473, 128288, 134672, 160360, 168340, 186946, 269344, 320720, 336680, 373892, 467365, 641440, 673360, 747784, 934730, 1346720, 1495568, 1775987, 1869460, 2991136, 3551974, 3738920, 7103948, 7477840, 8879935, 14207896, 14955680, 17759870, 28415792, 35519740, 56831584, 71039480, 142078960, 284157920]

約数ペア:

[(1, 284157920), (2, 142078960), (4, 71039480), (5, 56831584), (8, 35519740), (10, 28415792), (16, 17759870), (19, 14955680), (20, 14207896), (32, 8879935), (38, 7477840), (40, 7103948), (76, 3738920), (80, 3551974), (95, 2991136), (152, 1869460), (160, 1775987), (190, 1495568), (211, 1346720), (304, 934730), (380, 747784), (422, 673360), (443, 641440), (608, 467365), (760, 373892), (844, 336680), (886, 320720), (1055, 269344), (1520, 186946), (1688, 168340), (1772, 160360), (2110, 134672), (2215, 128288), (3040, 93473), (3376, 84170), (3544, 80180), (4009, 70880), (4220, 67336), (4430, 64144), (6752, 42085), (7088, 40090), (8018, 35440), (8417, 33760), (8440, 33668), (8860, 32072), (14176, 20045), (16036, 17720), (16834, 16880)]