67445780

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 144610704

約数和(自身を除く): 77164924

約数列:

[1, 2, 4, 5, 10, 20, 101, 173, 193, 202, 346, 386, 404, 505, 692, 772, 865, 965, 1010, 1730, 1930, 2020, 3460, 3860, 17473, 19493, 33389, 34946, 38986, 66778, 69892, 77972, 87365, 97465, 133556, 166945, 174730, 194930, 333890, 349460, 389860, 667780, 3372289, 6744578, 13489156, 16861445, 33722890, 67445780]

約数ペア:

[(1, 67445780), (2, 33722890), (4, 16861445), (5, 13489156), (10, 6744578), (20, 3372289), (101, 667780), (173, 389860), (193, 349460), (202, 333890), (346, 194930), (386, 174730), (404, 166945), (505, 133556), (692, 97465), (772, 87365), (865, 77972), (965, 69892), (1010, 66778), (1730, 38986), (1930, 34946), (2020, 33389), (3460, 19493), (3860, 17473)]