66500420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{4703}}^1$

素因数の和:4820

約数の個数: 48

約数和(自身を含む): 161215488

約数和(自身を除く): 94715068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2828, 3535, 4703, 7070, 9406, 14140, 18812, 23515, 32921, 47030, 65842, 94060, 131684, 164605, 329210, 475003, 658420, 950006, 1900012, 2375015, 3325021, 4750030, 6650042, 9500060, 13300084, 16625105, 33250210, 66500420]

約数ペア:

[(1, 66500420), (2, 33250210), (4, 16625105), (5, 13300084), (7, 9500060), (10, 6650042), (14, 4750030), (20, 3325021), (28, 2375015), (35, 1900012), (70, 950006), (101, 658420), (140, 475003), (202, 329210), (404, 164605), (505, 131684), (707, 94060), (1010, 65842), (1414, 47030), (2020, 32921), (2828, 23515), (3535, 18812), (4703, 14140), (7070, 9406)]