27338920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{389}}^1$

素因数の和:658

約数の個数: 64

約数和(自身を含む): 70761600

約数和(自身を除く): 43422680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 251, 280, 389, 502, 778, 1004, 1255, 1556, 1757, 1945, 2008, 2510, 2723, 3112, 3514, 3890, 5020, 5446, 7028, 7780, 8785, 10040, 10892, 13615, 14056, 15560, 17570, 21784, 27230, 35140, 54460, 70280, 97639, 108920, 195278, 390556, 488195, 683473, 781112, 976390, 1366946, 1952780, 2733892, 3417365, 3905560, 5467784, 6834730, 13669460, 27338920]

約数ペア:

[(1, 27338920), (2, 13669460), (4, 6834730), (5, 5467784), (7, 3905560), (8, 3417365), (10, 2733892), (14, 1952780), (20, 1366946), (28, 976390), (35, 781112), (40, 683473), (56, 488195), (70, 390556), (140, 195278), (251, 108920), (280, 97639), (389, 70280), (502, 54460), (778, 35140), (1004, 27230), (1255, 21784), (1556, 17570), (1757, 15560), (1945, 14056), (2008, 13615), (2510, 10892), (2723, 10040), (3112, 8785), (3514, 7780), (3890, 7028), (5020, 5446)]