291220790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{218963}}^1$

素因数の和:218996

約数の個数: 32

約数和(自身を含む): 630616320

約数和(自身を除く): 339395530

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 218963, 437926, 1094815, 1532741, 2189630, 3065482, 4160297, 7663705, 8320594, 15327410, 20801485, 29122079, 41602970, 58244158, 145610395, 291220790]

約数ペア:

[(1, 291220790), (2, 145610395), (5, 58244158), (7, 41602970), (10, 29122079), (14, 20801485), (19, 15327410), (35, 8320594), (38, 7663705), (70, 4160297), (95, 3065482), (133, 2189630), (190, 1532741), (266, 1094815), (665, 437926), (1330, 218963)]