388640970

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{38903}}^1$

素因数の和:38956

約数の個数: 64

約数和(自身を含む): 1064413440

約数和(自身を除く): 675772470

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 90, 111, 135, 185, 222, 270, 333, 370, 555, 666, 999, 1110, 1665, 1998, 3330, 4995, 9990, 38903, 77806, 116709, 194515, 233418, 350127, 389030, 583545, 700254, 1050381, 1167090, 1439411, 1750635, 2100762, 2878822, 3501270, 4318233, 5251905, 7197055, 8636466, 10503810, 12954699, 14394110, 21591165, 25909398, 38864097, 43182330, 64773495, 77728194, 129546990, 194320485, 388640970]

約数ペア:

[(1, 388640970), (2, 194320485), (3, 129546990), (5, 77728194), (6, 64773495), (9, 43182330), (10, 38864097), (15, 25909398), (18, 21591165), (27, 14394110), (30, 12954699), (37, 10503810), (45, 8636466), (54, 7197055), (74, 5251905), (90, 4318233), (111, 3501270), (135, 2878822), (185, 2100762), (222, 1750635), (270, 1439411), (333, 1167090), (370, 1050381), (555, 700254), (666, 583545), (999, 389030), (1110, 350127), (1665, 233418), (1998, 194515), (3330, 116709), (4995, 77806), (9990, 38903)]