7841170040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{2339}}^1$

素因数の和:2781

約数の個数: 128

約数和(自身を含む): 20318688000

約数和(自身を除く): 12477517960

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 401, 418, 440, 760, 802, 836, 1045, 1604, 1672, 2005, 2090, 2339, 3208, 4010, 4180, 4411, 4678, 7619, 8020, 8360, 8822, 9356, 11695, 15238, 16040, 17644, 18712, 22055, 23390, 25729, 30476, 35288, 38095, 44110, 44441, 46780, 51458, 60952, 76190, 83809, 88220, 88882, 93560, 102916, 128645, 152380, 167618, 176440, 177764, 205832, 222205, 257290, 304760, 335236, 355528, 419045, 444410, 488851, 514580, 670472, 838090, 888820, 937939, 977702, 1029160, 1676180, 1777640, 1875878, 1955404, 2444255, 3352360, 3751756, 3910808, 4689695, 4888510, 7503512, 9379390, 9777020, 10317329, 17820841, 18758780, 19554040, 20634658, 35641682, 37517560, 41269316, 51586645, 71283364, 82538632, 89104205, 103173290, 142566728, 178208410, 196029251, 206346580, 356416820, 392058502, 412693160, 712833640, 784117004, 980146255, 1568234008, 1960292510, 3920585020, 7841170040]

約数ペア:

[(1, 7841170040), (2, 3920585020), (4, 1960292510), (5, 1568234008), (8, 980146255), (10, 784117004), (11, 712833640), (19, 412693160), (20, 392058502), (22, 356416820), (38, 206346580), (40, 196029251), (44, 178208410), (55, 142566728), (76, 103173290), (88, 89104205), (95, 82538632), (110, 71283364), (152, 51586645), (190, 41269316), (209, 37517560), (220, 35641682), (380, 20634658), (401, 19554040), (418, 18758780), (440, 17820841), (760, 10317329), (802, 9777020), (836, 9379390), (1045, 7503512), (1604, 4888510), (1672, 4689695), (2005, 3910808), (2090, 3751756), (2339, 3352360), (3208, 2444255), (4010, 1955404), (4180, 1875878), (4411, 1777640), (4678, 1676180), (7619, 1029160), (8020, 977702), (8360, 937939), (8822, 888820), (9356, 838090), (11695, 670472), (15238, 514580), (16040, 488851), (17644, 444410), (18712, 419045), (22055, 355528), (23390, 335236), (25729, 304760), (30476, 257290), (35288, 222205), (38095, 205832), (44110, 177764), (44441, 176440), (46780, 167618), (51458, 152380), (60952, 128645), (76190, 102916), (83809, 93560), (88220, 88882)]