214281920

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21601}}^1$

素因数の和:21649

約数の個数: 56

約数和(自身を含む): 526743168

約数和(自身を除く): 312461248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 21601, 43202, 86404, 108005, 172808, 216010, 345616, 432020, 669631, 691232, 864040, 1339262, 1382464, 1728080, 2678524, 3348155, 3456160, 5357048, 6696310, 6912320, 10714096, 13392620, 21428192, 26785240, 42856384, 53570480, 107140960, 214281920]

約数ペア:

[(1, 214281920), (2, 107140960), (4, 53570480), (5, 42856384), (8, 26785240), (10, 21428192), (16, 13392620), (20, 10714096), (31, 6912320), (32, 6696310), (40, 5357048), (62, 3456160), (64, 3348155), (80, 2678524), (124, 1728080), (155, 1382464), (160, 1339262), (248, 864040), (310, 691232), (320, 669631), (496, 432020), (620, 345616), (992, 216010), (1240, 172808), (1984, 108005), (2480, 86404), (4960, 43202), (9920, 21601)]