391002920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{126949}}^1$

素因数の和:126978

約数の個数: 64

約数和(自身を含む): 1096848000

約数和(自身を除く): 705845080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 126949, 253898, 507796, 634745, 888643, 1015592, 1269490, 1396439, 1777286, 2538980, 2792878, 3554572, 4443215, 5077960, 5585756, 6982195, 7109144, 8886430, 9775073, 11171512, 13964390, 17772860, 19550146, 27928780, 35545720, 39100292, 48875365, 55857560, 78200584, 97750730, 195501460, 391002920]

約数ペア:

[(1, 391002920), (2, 195501460), (4, 97750730), (5, 78200584), (7, 55857560), (8, 48875365), (10, 39100292), (11, 35545720), (14, 27928780), (20, 19550146), (22, 17772860), (28, 13964390), (35, 11171512), (40, 9775073), (44, 8886430), (55, 7109144), (56, 6982195), (70, 5585756), (77, 5077960), (88, 4443215), (110, 3554572), (140, 2792878), (154, 2538980), (220, 1777286), (280, 1396439), (308, 1269490), (385, 1015592), (440, 888643), (616, 634745), (770, 507796), (1540, 253898), (3080, 126949)]