205296280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{104743}}^1$

素因数の和:104768

約数の個数: 48

約数和(自身を含む): 537336720

約数和(自身を除く): 332040440

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, 104743, 209486, 418972, 523715, 733201, 837944, 1047430, 1466402, 2094860, 2932804, 3666005, 4189720, 5132407, 5865608, 7332010, 10264814, 14664020, 20529628, 25662035, 29328040, 41059256, 51324070, 102648140, 205296280]

約数ペア:

[(1, 205296280), (2, 102648140), (4, 51324070), (5, 41059256), (7, 29328040), (8, 25662035), (10, 20529628), (14, 14664020), (20, 10264814), (28, 7332010), (35, 5865608), (40, 5132407), (49, 4189720), (56, 3666005), (70, 2932804), (98, 2094860), (140, 1466402), (196, 1047430), (245, 837944), (280, 733201), (392, 523715), (490, 418972), (980, 209486), (1960, 104743)]