340048240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{389}}^1$

素因数の和:639

約数の個数: 120

約数和(自身を含む): 926190720

約数和(自身を除く): 586142480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 223, 245, 280, 389, 392, 446, 490, 560, 778, 784, 892, 980, 1115, 1556, 1561, 1784, 1945, 1960, 2230, 2723, 3112, 3122, 3568, 3890, 3920, 4460, 5446, 6224, 6244, 7780, 7805, 8920, 10892, 10927, 12488, 13615, 15560, 15610, 17840, 19061, 21784, 21854, 24976, 27230, 31120, 31220, 38122, 43568, 43708, 54460, 54635, 62440, 76244, 86747, 87416, 95305, 108920, 109270, 124880, 152488, 173494, 174832, 190610, 217840, 218540, 304976, 346988, 381220, 433735, 437080, 607229, 693976, 762440, 867470, 874160, 1214458, 1387952, 1524880, 1734940, 2428916, 3036145, 3469880, 4250603, 4857832, 6072290, 6939760, 8501206, 9715664, 12144580, 17002412, 21253015, 24289160, 34004824, 42506030, 48578320, 68009648, 85012060, 170024120, 340048240]

約数ペア:

[(1, 340048240), (2, 170024120), (4, 85012060), (5, 68009648), (7, 48578320), (8, 42506030), (10, 34004824), (14, 24289160), (16, 21253015), (20, 17002412), (28, 12144580), (35, 9715664), (40, 8501206), (49, 6939760), (56, 6072290), (70, 4857832), (80, 4250603), (98, 3469880), (112, 3036145), (140, 2428916), (196, 1734940), (223, 1524880), (245, 1387952), (280, 1214458), (389, 874160), (392, 867470), (446, 762440), (490, 693976), (560, 607229), (778, 437080), (784, 433735), (892, 381220), (980, 346988), (1115, 304976), (1556, 218540), (1561, 217840), (1784, 190610), (1945, 174832), (1960, 173494), (2230, 152488), (2723, 124880), (3112, 109270), (3122, 108920), (3568, 95305), (3890, 87416), (3920, 86747), (4460, 76244), (5446, 62440), (6224, 54635), (6244, 54460), (7780, 43708), (7805, 43568), (8920, 38122), (10892, 31220), (10927, 31120), (12488, 27230), (13615, 24976), (15560, 21854), (15610, 21784), (17840, 19061)]