490065732

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1987}}^1$

素因数の和:2058

約数の個数: 144

約数和(自身を含む): 1458842112

約数和(自身を除く): 968776380

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 31, 34, 36, 39, 51, 52, 62, 68, 78, 93, 102, 117, 124, 153, 156, 186, 204, 221, 234, 279, 306, 372, 403, 442, 468, 527, 558, 612, 663, 806, 884, 1054, 1116, 1209, 1326, 1581, 1612, 1987, 1989, 2108, 2418, 2652, 3162, 3627, 3974, 3978, 4743, 4836, 5961, 6324, 6851, 7254, 7948, 7956, 9486, 11922, 13702, 14508, 17883, 18972, 20553, 23844, 25831, 27404, 33779, 35766, 41106, 51662, 61597, 61659, 67558, 71532, 77493, 82212, 101337, 103324, 123194, 123318, 135116, 154986, 184791, 202674, 232479, 246388, 246636, 304011, 309972, 369582, 405348, 439127, 464958, 554373, 608022, 739164, 800761, 878254, 929916, 1047149, 1108746, 1216044, 1317381, 1601522, 1756508, 2094298, 2217492, 2402283, 2634762, 3141447, 3203044, 3952143, 4188596, 4804566, 5269524, 6282894, 7206849, 7904286, 9424341, 9609132, 12565788, 13612937, 14413698, 15808572, 18848682, 27225874, 28827396, 37697364, 40838811, 54451748, 81677622, 122516433, 163355244, 245032866, 490065732]

約数ペア:

[(1, 490065732), (2, 245032866), (3, 163355244), (4, 122516433), (6, 81677622), (9, 54451748), (12, 40838811), (13, 37697364), (17, 28827396), (18, 27225874), (26, 18848682), (31, 15808572), (34, 14413698), (36, 13612937), (39, 12565788), (51, 9609132), (52, 9424341), (62, 7904286), (68, 7206849), (78, 6282894), (93, 5269524), (102, 4804566), (117, 4188596), (124, 3952143), (153, 3203044), (156, 3141447), (186, 2634762), (204, 2402283), (221, 2217492), (234, 2094298), (279, 1756508), (306, 1601522), (372, 1317381), (403, 1216044), (442, 1108746), (468, 1047149), (527, 929916), (558, 878254), (612, 800761), (663, 739164), (806, 608022), (884, 554373), (1054, 464958), (1116, 439127), (1209, 405348), (1326, 369582), (1581, 309972), (1612, 304011), (1987, 246636), (1989, 246388), (2108, 232479), (2418, 202674), (2652, 184791), (3162, 154986), (3627, 135116), (3974, 123318), (3978, 123194), (4743, 103324), (4836, 101337), (5961, 82212), (6324, 77493), (6851, 71532), (7254, 67558), (7948, 61659), (7956, 61597), (9486, 51662), (11922, 41106), (13702, 35766), (14508, 33779), (17883, 27404), (18972, 25831), (20553, 23844)]