247201220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{60887}}^1$

素因数の和:60932

約数の個数: 48

約数和(自身を含む): 613751040

約数和(自身を除く): 366549820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 60887, 121774, 243548, 304435, 426209, 608870, 852418, 1217740, 1704836, 1765723, 2131045, 3531446, 4262090, 7062892, 8524180, 8828615, 12360061, 17657230, 24720122, 35314460, 49440244, 61800305, 123600610, 247201220]

約数ペア:

[(1, 247201220), (2, 123600610), (4, 61800305), (5, 49440244), (7, 35314460), (10, 24720122), (14, 17657230), (20, 12360061), (28, 8828615), (29, 8524180), (35, 7062892), (58, 4262090), (70, 3531446), (116, 2131045), (140, 1765723), (145, 1704836), (203, 1217740), (290, 852418), (406, 608870), (580, 426209), (812, 304435), (1015, 243548), (2030, 121774), (4060, 60887)]