1640590070

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{24439}}^1$

素因数の和:24597

約数の個数: 48

約数和(自身を含む): 3460410720

約数和(自身を除く): 1819820650

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 137, 245, 274, 490, 685, 959, 1370, 1918, 4795, 6713, 9590, 13426, 24439, 33565, 48878, 67130, 122195, 171073, 244390, 342146, 855365, 1197511, 1710730, 2395022, 3348143, 5987555, 6696286, 11975110, 16740715, 23437001, 33481430, 46874002, 117185005, 164059007, 234370010, 328118014, 820295035, 1640590070]

約数ペア:

[(1, 1640590070), (2, 820295035), (5, 328118014), (7, 234370010), (10, 164059007), (14, 117185005), (35, 46874002), (49, 33481430), (70, 23437001), (98, 16740715), (137, 11975110), (245, 6696286), (274, 5987555), (490, 3348143), (685, 2395022), (959, 1710730), (1370, 1197511), (1918, 855365), (4795, 342146), (6713, 244390), (9590, 171073), (13426, 122195), (24439, 67130), (33565, 48878)]