2783444840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1\times {\mathrm{383}}^1$

素因数の和:687

約数の個数: 128

約数和(自身を含む): 6967296000

約数和(自身を除く): 4183851160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 83, 88, 110, 166, 199, 220, 332, 383, 398, 415, 440, 664, 766, 796, 830, 913, 995, 1532, 1592, 1660, 1826, 1915, 1990, 2189, 3064, 3320, 3652, 3830, 3980, 4213, 4378, 4565, 7304, 7660, 7960, 8426, 8756, 9130, 10945, 15320, 16517, 16852, 17512, 18260, 21065, 21890, 31789, 33034, 33704, 36520, 42130, 43780, 63578, 66068, 76217, 82585, 84260, 87560, 127156, 132136, 152434, 158945, 165170, 168520, 181687, 254312, 304868, 317890, 330340, 349679, 363374, 381085, 609736, 635780, 660680, 699358, 726748, 762170, 838387, 908435, 1271560, 1398716, 1453496, 1524340, 1676774, 1748395, 1816870, 2797432, 3048680, 3353548, 3496790, 3633740, 4191935, 6326011, 6707096, 6993580, 7267480, 8383870, 12652022, 13987160, 16767740, 25304044, 31630055, 33535480, 50608088, 63260110, 69586121, 126520220, 139172242, 253040440, 278344484, 347930605, 556688968, 695861210, 1391722420, 2783444840]

約数ペア:

[(1, 2783444840), (2, 1391722420), (4, 695861210), (5, 556688968), (8, 347930605), (10, 278344484), (11, 253040440), (20, 139172242), (22, 126520220), (40, 69586121), (44, 63260110), (55, 50608088), (83, 33535480), (88, 31630055), (110, 25304044), (166, 16767740), (199, 13987160), (220, 12652022), (332, 8383870), (383, 7267480), (398, 6993580), (415, 6707096), (440, 6326011), (664, 4191935), (766, 3633740), (796, 3496790), (830, 3353548), (913, 3048680), (995, 2797432), (1532, 1816870), (1592, 1748395), (1660, 1676774), (1826, 1524340), (1915, 1453496), (1990, 1398716), (2189, 1271560), (3064, 908435), (3320, 838387), (3652, 762170), (3830, 726748), (3980, 699358), (4213, 660680), (4378, 635780), (4565, 609736), (7304, 381085), (7660, 363374), (7960, 349679), (8426, 330340), (8756, 317890), (9130, 304868), (10945, 254312), (15320, 181687), (16517, 168520), (16852, 165170), (17512, 158945), (18260, 152434), (21065, 132136), (21890, 127156), (31789, 87560), (33034, 84260), (33704, 82585), (36520, 76217), (42130, 66068), (43780, 63578)]