624794320

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1\times {\mathrm{347}}^1$

素因数の和:748

約数の個数: 80

約数和(自身を含む): 1482012288

約数和(自身を除く): 857217968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 317, 347, 355, 568, 634, 694, 710, 1136, 1268, 1388, 1420, 1585, 1735, 2536, 2776, 2840, 3170, 3470, 5072, 5552, 5680, 6340, 6940, 12680, 13880, 22507, 24637, 25360, 27760, 45014, 49274, 90028, 98548, 109999, 112535, 123185, 180056, 197096, 219998, 225070, 246370, 360112, 394192, 439996, 450140, 492740, 549995, 879992, 900280, 985480, 1099990, 1759984, 1800560, 1970960, 2199980, 4399960, 7809929, 8799920, 15619858, 31239716, 39049645, 62479432, 78099290, 124958864, 156198580, 312397160, 624794320]

約数ペア:

[(1, 624794320), (2, 312397160), (4, 156198580), (5, 124958864), (8, 78099290), (10, 62479432), (16, 39049645), (20, 31239716), (40, 15619858), (71, 8799920), (80, 7809929), (142, 4399960), (284, 2199980), (317, 1970960), (347, 1800560), (355, 1759984), (568, 1099990), (634, 985480), (694, 900280), (710, 879992), (1136, 549995), (1268, 492740), (1388, 450140), (1420, 439996), (1585, 394192), (1735, 360112), (2536, 246370), (2776, 225070), (2840, 219998), (3170, 197096), (3470, 180056), (5072, 123185), (5552, 112535), (5680, 109999), (6340, 98548), (6940, 90028), (12680, 49274), (13880, 45014), (22507, 27760), (24637, 25360)]