97905920

素因数分解:

$2^8\times 5^1\times 7^3\times {\mathrm{223}}^1$

素因数の和:265

約数の個数: 144

約数和(自身を含む): 274713600

約数和(自身を除く): 176807680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 223, 224, 245, 256, 280, 320, 343, 392, 446, 448, 490, 560, 640, 686, 784, 892, 896, 980, 1115, 1120, 1280, 1372, 1561, 1568, 1715, 1784, 1792, 1960, 2230, 2240, 2744, 3122, 3136, 3430, 3568, 3920, 4460, 4480, 5488, 6244, 6272, 6860, 7136, 7805, 7840, 8920, 8960, 10927, 10976, 12488, 12544, 13720, 14272, 15610, 15680, 17840, 21854, 21952, 24976, 27440, 28544, 31220, 31360, 35680, 43708, 43904, 49952, 54635, 54880, 57088, 62440, 62720, 71360, 76489, 87416, 87808, 99904, 109270, 109760, 124880, 142720, 152978, 174832, 199808, 218540, 219520, 249760, 285440, 305956, 349664, 382445, 399616, 437080, 439040, 499520, 611912, 699328, 764890, 874160, 999040, 1223824, 1398656, 1529780, 1748320, 1998080, 2447648, 2797312, 3059560, 3496640, 4895296, 6119120, 6993280, 9790592, 12238240, 13986560, 19581184, 24476480, 48952960, 97905920]

約数ペア:

[(1, 97905920), (2, 48952960), (4, 24476480), (5, 19581184), (7, 13986560), (8, 12238240), (10, 9790592), (14, 6993280), (16, 6119120), (20, 4895296), (28, 3496640), (32, 3059560), (35, 2797312), (40, 2447648), (49, 1998080), (56, 1748320), (64, 1529780), (70, 1398656), (80, 1223824), (98, 999040), (112, 874160), (128, 764890), (140, 699328), (160, 611912), (196, 499520), (223, 439040), (224, 437080), (245, 399616), (256, 382445), (280, 349664), (320, 305956), (343, 285440), (392, 249760), (446, 219520), (448, 218540), (490, 199808), (560, 174832), (640, 152978), (686, 142720), (784, 124880), (892, 109760), (896, 109270), (980, 99904), (1115, 87808), (1120, 87416), (1280, 76489), (1372, 71360), (1561, 62720), (1568, 62440), (1715, 57088), (1784, 54880), (1792, 54635), (1960, 49952), (2230, 43904), (2240, 43708), (2744, 35680), (3122, 31360), (3136, 31220), (3430, 28544), (3568, 27440), (3920, 24976), (4460, 21952), (4480, 21854), (5488, 17840), (6244, 15680), (6272, 15610), (6860, 14272), (7136, 13720), (7805, 12544), (7840, 12488), (8920, 10976), (8960, 10927)]