168779740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{751}}^1$

素因数の和:1438

約数の個数: 48

約数和(自身を含む): 376354944

約数和(自身を除く): 207575204

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 661, 751, 1322, 1502, 2644, 3004, 3305, 3755, 6610, 7510, 11237, 12767, 13220, 15020, 22474, 25534, 44948, 51068, 56185, 63835, 112370, 127670, 224740, 255340, 496411, 992822, 1985644, 2482055, 4964110, 8438987, 9928220, 16877974, 33755948, 42194935, 84389870, 168779740]

約数ペア:

[(1, 168779740), (2, 84389870), (4, 42194935), (5, 33755948), (10, 16877974), (17, 9928220), (20, 8438987), (34, 4964110), (68, 2482055), (85, 1985644), (170, 992822), (340, 496411), (661, 255340), (751, 224740), (1322, 127670), (1502, 112370), (2644, 63835), (3004, 56185), (3305, 51068), (3755, 44948), (6610, 25534), (7510, 22474), (11237, 15020), (12767, 13220)]