209753040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{124853}}^1$

素因数の和:124876

約数の個数: 80

約数和(自身を含む): 743131008

約数和(自身を除く): 533377968

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 124853, 249706, 374559, 499412, 624265, 749118, 873971, 998824, 1248530, 1498236, 1747942, 1872795, 1997648, 2497060, 2621913, 2996472, 3495884, 3745590, 4369855, 4994120, 5243826, 5992944, 6991768, 7491180, 8739710, 9988240, 10487652, 13109565, 13983536, 14982360, 17479420, 20975304, 26219130, 29964720, 34958840, 41950608, 52438260, 69917680, 104876520, 209753040]

約数ペア:

[(1, 209753040), (2, 104876520), (3, 69917680), (4, 52438260), (5, 41950608), (6, 34958840), (7, 29964720), (8, 26219130), (10, 20975304), (12, 17479420), (14, 14982360), (15, 13983536), (16, 13109565), (20, 10487652), (21, 9988240), (24, 8739710), (28, 7491180), (30, 6991768), (35, 5992944), (40, 5243826), (42, 4994120), (48, 4369855), (56, 3745590), (60, 3495884), (70, 2996472), (80, 2621913), (84, 2497060), (105, 1997648), (112, 1872795), (120, 1747942), (140, 1498236), (168, 1248530), (210, 998824), (240, 873971), (280, 749118), (336, 624265), (420, 499412), (560, 374559), (840, 249706), (1680, 124853)]