266420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 701568

約数和(自身を除く): 435148

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 173, 220, 308, 346, 385, 692, 770, 865, 1211, 1540, 1730, 1903, 2422, 3460, 3806, 4844, 6055, 7612, 9515, 12110, 13321, 19030, 24220, 26642, 38060, 53284, 66605, 133210, 266420]

約数ペア:

[(1, 266420), (2, 133210), (4, 66605), (5, 53284), (7, 38060), (10, 26642), (11, 24220), (14, 19030), (20, 13321), (22, 12110), (28, 9515), (35, 7612), (44, 6055), (55, 4844), (70, 3806), (77, 3460), (110, 2422), (140, 1903), (154, 1730), (173, 1540), (220, 1211), (308, 865), (346, 770), (385, 692)]