407752520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{208037}}^1$

素因数の和:208062

約数の個数: 48

約数和(自身を含む): 1067234940

約数和(自身を除く): 659482420

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 208037, 416074, 832148, 1040185, 1456259, 1664296, 2080370, 2912518, 4160740, 5825036, 7281295, 8321480, 10193813, 11650072, 14562590, 20387626, 29125180, 40775252, 50969065, 58250360, 81550504, 101938130, 203876260, 407752520]

約数ペア:

[(1, 407752520), (2, 203876260), (4, 101938130), (5, 81550504), (7, 58250360), (8, 50969065), (10, 40775252), (14, 29125180), (20, 20387626), (28, 14562590), (35, 11650072), (40, 10193813), (49, 8321480), (56, 7281295), (70, 5825036), (98, 4160740), (140, 2912518), (196, 2080370), (245, 1664296), (280, 1456259), (392, 1040185), (490, 832148), (980, 416074), (1960, 208037)]