392910980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{255137}}^1$

素因数の和:255164

約数の個数: 48

約数和(自身を含む): 1028716416

約数和(自身を除く): 635805436

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 255137, 510274, 1020548, 1275685, 1785959, 2551370, 2806507, 3571918, 5102740, 5613014, 7143836, 8929795, 11226028, 14032535, 17859590, 19645549, 28065070, 35719180, 39291098, 56130140, 78582196, 98227745, 196455490, 392910980]

約数ペア:

[(1, 392910980), (2, 196455490), (4, 98227745), (5, 78582196), (7, 56130140), (10, 39291098), (11, 35719180), (14, 28065070), (20, 19645549), (22, 17859590), (28, 14032535), (35, 11226028), (44, 8929795), (55, 7143836), (70, 5613014), (77, 5102740), (110, 3571918), (140, 2806507), (154, 2551370), (220, 1785959), (308, 1275685), (385, 1020548), (770, 510274), (1540, 255137)]