1828600

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 4374720

約数和(自身を除く): 2546120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 223, 328, 410, 446, 820, 892, 1025, 1115, 1640, 1784, 2050, 2230, 4100, 4460, 5575, 8200, 8920, 9143, 11150, 18286, 22300, 36572, 44600, 45715, 73144, 91430, 182860, 228575, 365720, 457150, 914300, 1828600]

約数ペア:

[(1, 1828600), (2, 914300), (4, 457150), (5, 365720), (8, 228575), (10, 182860), (20, 91430), (25, 73144), (40, 45715), (41, 44600), (50, 36572), (82, 22300), (100, 18286), (164, 11150), (200, 9143), (205, 8920), (223, 8200), (328, 5575), (410, 4460), (446, 4100), (820, 2230), (892, 2050), (1025, 1784), (1115, 1640)]