207645880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{2027}}^1$

素因数の和:2248

約数の個数: 64

約数和(自身を含む): 505945440

約数和(自身を除く): 298299560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 197, 260, 394, 520, 788, 985, 1576, 1970, 2027, 2561, 3940, 4054, 5122, 7880, 8108, 10135, 10244, 12805, 16216, 20270, 20488, 25610, 26351, 40540, 51220, 52702, 81080, 102440, 105404, 131755, 210808, 263510, 399319, 527020, 798638, 1054040, 1597276, 1996595, 3194552, 3993190, 5191147, 7986380, 10382294, 15972760, 20764588, 25955735, 41529176, 51911470, 103822940, 207645880]

約数ペア:

[(1, 207645880), (2, 103822940), (4, 51911470), (5, 41529176), (8, 25955735), (10, 20764588), (13, 15972760), (20, 10382294), (26, 7986380), (40, 5191147), (52, 3993190), (65, 3194552), (104, 1996595), (130, 1597276), (197, 1054040), (260, 798638), (394, 527020), (520, 399319), (788, 263510), (985, 210808), (1576, 131755), (1970, 105404), (2027, 102440), (2561, 81080), (3940, 52702), (4054, 51220), (5122, 40540), (7880, 26351), (8108, 25610), (10135, 20488), (10244, 20270), (12805, 16216)]