255995020

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{241}}^1\times {\mathrm{307}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 544709088

約数和(自身を除く): 288714068

約数列:

[1, 2, 4, 5, 10, 20, 173, 241, 307, 346, 482, 614, 692, 865, 964, 1205, 1228, 1535, 1730, 2410, 3070, 3460, 4820, 6140, 41693, 53111, 73987, 83386, 106222, 147974, 166772, 208465, 212444, 265555, 295948, 369935, 416930, 531110, 739870, 833860, 1062220, 1479740, 12799751, 25599502, 51199004, 63998755, 127997510, 255995020]

約数ペア:

[(1, 255995020), (2, 127997510), (4, 63998755), (5, 51199004), (10, 25599502), (20, 12799751), (173, 1479740), (241, 1062220), (307, 833860), (346, 739870), (482, 531110), (614, 416930), (692, 369935), (865, 295948), (964, 265555), (1205, 212444), (1228, 208465), (1535, 166772), (1730, 147974), (2410, 106222), (3070, 83386), (3460, 73987), (4820, 53111), (6140, 41693)]