42597940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:365

約数の個数: 96

約数和(自身を含む): 112896000

約数和(自身を除く): 70298060

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 139, 140, 154, 199, 220, 278, 308, 385, 398, 556, 695, 770, 796, 973, 995, 1390, 1393, 1529, 1540, 1946, 1990, 2189, 2780, 2786, 3058, 3892, 3980, 4378, 4865, 5572, 6116, 6965, 7645, 8756, 9730, 10703, 10945, 13930, 15290, 15323, 19460, 21406, 21890, 27661, 27860, 30580, 30646, 42812, 43780, 53515, 55322, 61292, 76615, 107030, 110644, 138305, 153230, 193627, 214060, 276610, 304271, 306460, 387254, 553220, 608542, 774508, 968135, 1217084, 1521355, 1936270, 2129897, 3042710, 3872540, 4259794, 6085420, 8519588, 10649485, 21298970, 42597940]

約数ペア:

[(1, 42597940), (2, 21298970), (4, 10649485), (5, 8519588), (7, 6085420), (10, 4259794), (11, 3872540), (14, 3042710), (20, 2129897), (22, 1936270), (28, 1521355), (35, 1217084), (44, 968135), (55, 774508), (70, 608542), (77, 553220), (110, 387254), (139, 306460), (140, 304271), (154, 276610), (199, 214060), (220, 193627), (278, 153230), (308, 138305), (385, 110644), (398, 107030), (556, 76615), (695, 61292), (770, 55322), (796, 53515), (973, 43780), (995, 42812), (1390, 30646), (1393, 30580), (1529, 27860), (1540, 27661), (1946, 21890), (1990, 21406), (2189, 19460), (2780, 15323), (2786, 15290), (3058, 13930), (3892, 10945), (3980, 10703), (4378, 9730), (4865, 8756), (5572, 7645), (6116, 6965)]