30803780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3607}}^1$

素因数の和:3684

約数の個数: 48

約数和(自身を含む): 75161856

約数和(自身を除く): 44358076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 3607, 4270, 7214, 8540, 14428, 18035, 25249, 36070, 50498, 72140, 100996, 126245, 220027, 252490, 440054, 504980, 880108, 1100135, 1540189, 2200270, 3080378, 4400540, 6160756, 7700945, 15401890, 30803780]

約数ペア:

[(1, 30803780), (2, 15401890), (4, 7700945), (5, 6160756), (7, 4400540), (10, 3080378), (14, 2200270), (20, 1540189), (28, 1100135), (35, 880108), (61, 504980), (70, 440054), (122, 252490), (140, 220027), (244, 126245), (305, 100996), (427, 72140), (610, 50498), (854, 36070), (1220, 25249), (1708, 18035), (2135, 14428), (3607, 8540), (4270, 7214)]