977739980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^2\times {\mathrm{433}}^1$

素因数の和:703

約数の個数: 72

約数和(自身を含む): 2370660768

約数和(自身を除く): 1392920788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 433, 508, 635, 866, 889, 1270, 1732, 1778, 2165, 2540, 3031, 3556, 4330, 4445, 6062, 8660, 8890, 12124, 15155, 16129, 17780, 30310, 32258, 54991, 60620, 64516, 80645, 109982, 112903, 161290, 219964, 225806, 274955, 322580, 384937, 451612, 549910, 564515, 769874, 1099820, 1129030, 1539748, 1924685, 2258060, 3849370, 6983857, 7698740, 13967714, 27935428, 34919285, 48886999, 69838570, 97773998, 139677140, 195547996, 244434995, 488869990, 977739980]

約数ペア:

[(1, 977739980), (2, 488869990), (4, 244434995), (5, 195547996), (7, 139677140), (10, 97773998), (14, 69838570), (20, 48886999), (28, 34919285), (35, 27935428), (70, 13967714), (127, 7698740), (140, 6983857), (254, 3849370), (433, 2258060), (508, 1924685), (635, 1539748), (866, 1129030), (889, 1099820), (1270, 769874), (1732, 564515), (1778, 549910), (2165, 451612), (2540, 384937), (3031, 322580), (3556, 274955), (4330, 225806), (4445, 219964), (6062, 161290), (8660, 112903), (8890, 109982), (12124, 80645), (15155, 64516), (16129, 60620), (17780, 54991), (30310, 32258)]