38681720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:709

約数の個数: 128

約数和(自身を含む): 114393600

約数和(自身を除く): 75711880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 88, 95, 110, 133, 140, 152, 154, 190, 209, 220, 266, 280, 308, 380, 385, 418, 440, 532, 616, 661, 665, 760, 770, 836, 1045, 1064, 1322, 1330, 1463, 1540, 1672, 2090, 2644, 2660, 2926, 3080, 3305, 4180, 4627, 5288, 5320, 5852, 6610, 7271, 7315, 8360, 9254, 11704, 12559, 13220, 14542, 14630, 18508, 23135, 25118, 26440, 29084, 29260, 36355, 37016, 46270, 50236, 50897, 58168, 58520, 62795, 72710, 87913, 92540, 100472, 101794, 125590, 138149, 145420, 175826, 185080, 203588, 251180, 254485, 276298, 290840, 351652, 407176, 439565, 502360, 508970, 552596, 690745, 703304, 879130, 967043, 1017940, 1105192, 1381490, 1758260, 1934086, 2035880, 2762980, 3516520, 3868172, 4835215, 5525960, 7736344, 9670430, 19340860, 38681720]

約数ペア:

[(1, 38681720), (2, 19340860), (4, 9670430), (5, 7736344), (7, 5525960), (8, 4835215), (10, 3868172), (11, 3516520), (14, 2762980), (19, 2035880), (20, 1934086), (22, 1758260), (28, 1381490), (35, 1105192), (38, 1017940), (40, 967043), (44, 879130), (55, 703304), (56, 690745), (70, 552596), (76, 508970), (77, 502360), (88, 439565), (95, 407176), (110, 351652), (133, 290840), (140, 276298), (152, 254485), (154, 251180), (190, 203588), (209, 185080), (220, 175826), (266, 145420), (280, 138149), (308, 125590), (380, 101794), (385, 100472), (418, 92540), (440, 87913), (532, 72710), (616, 62795), (661, 58520), (665, 58168), (760, 50897), (770, 50236), (836, 46270), (1045, 37016), (1064, 36355), (1322, 29260), (1330, 29084), (1463, 26440), (1540, 25118), (1672, 23135), (2090, 18508), (2644, 14630), (2660, 14542), (2926, 13220), (3080, 12559), (3305, 11704), (4180, 9254), (4627, 8360), (5288, 7315), (5320, 7271), (5852, 6610)]