28483840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2$

素因数の和:73

約数の個数: 216

約数和(自身を含む): 90361152

約数和(自身を除く): 61877312

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 17, 20, 22, 28, 32, 34, 35, 40, 44, 55, 56, 64, 68, 70, 77, 80, 85, 88, 110, 112, 119, 128, 136, 140, 154, 160, 170, 176, 187, 220, 224, 238, 256, 272, 280, 289, 308, 320, 340, 352, 374, 385, 440, 448, 476, 544, 560, 578, 595, 616, 640, 680, 704, 748, 770, 880, 896, 935, 952, 1088, 1120, 1156, 1190, 1232, 1280, 1309, 1360, 1408, 1445, 1496, 1540, 1760, 1792, 1870, 1904, 2023, 2176, 2240, 2312, 2380, 2464, 2618, 2720, 2816, 2890, 2992, 3080, 3179, 3520, 3740, 3808, 4046, 4352, 4480, 4624, 4760, 4928, 5236, 5440, 5780, 5984, 6160, 6358, 6545, 7040, 7480, 7616, 8092, 8960, 9248, 9520, 9856, 10115, 10472, 10880, 11560, 11968, 12320, 12716, 13090, 14080, 14960, 15232, 15895, 16184, 18496, 19040, 19712, 20230, 20944, 21760, 22253, 23120, 23936, 24640, 25432, 26180, 29920, 30464, 31790, 32368, 36992, 38080, 40460, 41888, 44506, 46240, 47872, 49280, 50864, 52360, 59840, 63580, 64736, 73984, 76160, 80920, 83776, 89012, 92480, 98560, 101728, 104720, 111265, 119680, 127160, 129472, 152320, 161840, 167552, 178024, 184960, 203456, 209440, 222530, 239360, 254320, 258944, 323680, 335104, 356048, 369920, 406912, 418880, 445060, 508640, 517888, 647360, 712096, 813824, 837760, 890120, 1017280, 1294720, 1424192, 1675520, 1780240, 2034560, 2589440, 2848384, 3560480, 4069120, 5696768, 7120960, 14241920, 28483840]

約数ペア:

[(1, 28483840), (2, 14241920), (4, 7120960), (5, 5696768), (7, 4069120), (8, 3560480), (10, 2848384), (11, 2589440), (14, 2034560), (16, 1780240), (17, 1675520), (20, 1424192), (22, 1294720), (28, 1017280), (32, 890120), (34, 837760), (35, 813824), (40, 712096), (44, 647360), (55, 517888), (56, 508640), (64, 445060), (68, 418880), (70, 406912), (77, 369920), (80, 356048), (85, 335104), (88, 323680), (110, 258944), (112, 254320), (119, 239360), (128, 222530), (136, 209440), (140, 203456), (154, 184960), (160, 178024), (170, 167552), (176, 161840), (187, 152320), (220, 129472), (224, 127160), (238, 119680), (256, 111265), (272, 104720), (280, 101728), (289, 98560), (308, 92480), (320, 89012), (340, 83776), (352, 80920), (374, 76160), (385, 73984), (440, 64736), (448, 63580), (476, 59840), (544, 52360), (560, 50864), (578, 49280), (595, 47872), (616, 46240), (640, 44506), (680, 41888), (704, 40460), (748, 38080), (770, 36992), (880, 32368), (896, 31790), (935, 30464), (952, 29920), (1088, 26180), (1120, 25432), (1156, 24640), (1190, 23936), (1232, 23120), (1280, 22253), (1309, 21760), (1360, 20944), (1408, 20230), (1445, 19712), (1496, 19040), (1540, 18496), (1760, 16184), (1792, 15895), (1870, 15232), (1904, 14960), (2023, 14080), (2176, 13090), (2240, 12716), (2312, 12320), (2380, 11968), (2464, 11560), (2618, 10880), (2720, 10472), (2816, 10115), (2890, 9856), (2992, 9520), (3080, 9248), (3179, 8960), (3520, 8092), (3740, 7616), (3808, 7480), (4046, 7040), (4352, 6545), (4480, 6358), (4624, 6160), (4760, 5984), (4928, 5780), (5236, 5440)]