1403780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 3472896

約数和(自身を除く): 2069116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 271, 370, 518, 542, 740, 1036, 1084, 1295, 1355, 1897, 2590, 2710, 3794, 5180, 5420, 7588, 9485, 10027, 18970, 20054, 37940, 40108, 50135, 70189, 100270, 140378, 200540, 280756, 350945, 701890, 1403780]

約数ペア:

[(1, 1403780), (2, 701890), (4, 350945), (5, 280756), (7, 200540), (10, 140378), (14, 100270), (20, 70189), (28, 50135), (35, 40108), (37, 37940), (70, 20054), (74, 18970), (140, 10027), (148, 9485), (185, 7588), (259, 5420), (271, 5180), (370, 3794), (518, 2710), (542, 2590), (740, 1897), (1036, 1355), (1084, 1295)]