399446520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:330

約数の個数: 256

約数和(自身を含む): 1393459200

約数和(自身を除く): 994012680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 23, 24, 30, 33, 40, 44, 46, 55, 59, 60, 66, 69, 88, 92, 110, 115, 118, 120, 132, 138, 165, 177, 184, 220, 223, 230, 236, 253, 264, 276, 295, 330, 345, 354, 440, 446, 460, 472, 506, 552, 590, 649, 660, 669, 690, 708, 759, 885, 892, 920, 1012, 1115, 1180, 1265, 1298, 1320, 1338, 1357, 1380, 1416, 1518, 1770, 1784, 1947, 2024, 2230, 2360, 2453, 2530, 2596, 2676, 2714, 2760, 3036, 3245, 3345, 3540, 3795, 3894, 4071, 4460, 4906, 5060, 5129, 5192, 5352, 5428, 6072, 6490, 6690, 6785, 7080, 7359, 7590, 7788, 8142, 8920, 9735, 9812, 10120, 10258, 10856, 12265, 12980, 13157, 13380, 13570, 14718, 14927, 15180, 15387, 15576, 16284, 19470, 19624, 20355, 20516, 24530, 25645, 25960, 26314, 26760, 27140, 29436, 29854, 30360, 30774, 32568, 36795, 38940, 39471, 40710, 41032, 44781, 49060, 51290, 52628, 54280, 56419, 58872, 59708, 61548, 65785, 73590, 74635, 76935, 77880, 78942, 81420, 89562, 98120, 102580, 105256, 112838, 119416, 123096, 131570, 144727, 147180, 149270, 153870, 157884, 162840, 169257, 179124, 197355, 205160, 223905, 225676, 263140, 282095, 289454, 294360, 298540, 302611, 307740, 315768, 338514, 358248, 394710, 434181, 447810, 451352, 526280, 564190, 578908, 597080, 605222, 615480, 677028, 723635, 789420, 846285, 868362, 895620, 907833, 1128380, 1157816, 1210444, 1354056, 1447270, 1513055, 1578840, 1692570, 1736724, 1791240, 1815666, 2170905, 2256760, 2420888, 2894540, 3026110, 3328721, 3385140, 3473448, 3631332, 4341810, 4539165, 5789080, 6052220, 6657442, 6770280, 7262664, 8683620, 9078330, 9986163, 12104440, 13314884, 16643605, 17367240, 18156660, 19972326, 26629768, 33287210, 36313320, 39944652, 49930815, 66574420, 79889304, 99861630, 133148840, 199723260, 399446520]

約数ペア:

[(1, 399446520), (2, 199723260), (3, 133148840), (4, 99861630), (5, 79889304), (6, 66574420), (8, 49930815), (10, 39944652), (11, 36313320), (12, 33287210), (15, 26629768), (20, 19972326), (22, 18156660), (23, 17367240), (24, 16643605), (30, 13314884), (33, 12104440), (40, 9986163), (44, 9078330), (46, 8683620), (55, 7262664), (59, 6770280), (60, 6657442), (66, 6052220), (69, 5789080), (88, 4539165), (92, 4341810), (110, 3631332), (115, 3473448), (118, 3385140), (120, 3328721), (132, 3026110), (138, 2894540), (165, 2420888), (177, 2256760), (184, 2170905), (220, 1815666), (223, 1791240), (230, 1736724), (236, 1692570), (253, 1578840), (264, 1513055), (276, 1447270), (295, 1354056), (330, 1210444), (345, 1157816), (354, 1128380), (440, 907833), (446, 895620), (460, 868362), (472, 846285), (506, 789420), (552, 723635), (590, 677028), (649, 615480), (660, 605222), (669, 597080), (690, 578908), (708, 564190), (759, 526280), (885, 451352), (892, 447810), (920, 434181), (1012, 394710), (1115, 358248), (1180, 338514), (1265, 315768), (1298, 307740), (1320, 302611), (1338, 298540), (1357, 294360), (1380, 289454), (1416, 282095), (1518, 263140), (1770, 225676), (1784, 223905), (1947, 205160), (2024, 197355), (2230, 179124), (2360, 169257), (2453, 162840), (2530, 157884), (2596, 153870), (2676, 149270), (2714, 147180), (2760, 144727), (3036, 131570), (3245, 123096), (3345, 119416), (3540, 112838), (3795, 105256), (3894, 102580), (4071, 98120), (4460, 89562), (4906, 81420), (5060, 78942), (5129, 77880), (5192, 76935), (5352, 74635), (5428, 73590), (6072, 65785), (6490, 61548), (6690, 59708), (6785, 58872), (7080, 56419), (7359, 54280), (7590, 52628), (7788, 51290), (8142, 49060), (8920, 44781), (9735, 41032), (9812, 40710), (10120, 39471), (10258, 38940), (10856, 36795), (12265, 32568), (12980, 30774), (13157, 30360), (13380, 29854), (13570, 29436), (14718, 27140), (14927, 26760), (15180, 26314), (15387, 25960), (15576, 25645), (16284, 24530), (19470, 20516), (19624, 20355)]