639445950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1$

素因数の和:584

約数の個数: 288

約数和(自身を含む): 2128613760

約数和(自身を除く): 1489167810

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 19, 22, 25, 26, 30, 33, 38, 39, 45, 50, 55, 57, 65, 66, 75, 78, 90, 95, 99, 110, 114, 117, 130, 143, 150, 165, 171, 190, 195, 198, 209, 225, 234, 247, 275, 285, 286, 325, 330, 342, 390, 418, 429, 450, 475, 494, 495, 523, 550, 570, 585, 627, 650, 715, 741, 825, 855, 858, 950, 975, 990, 1045, 1046, 1170, 1235, 1254, 1287, 1425, 1430, 1482, 1569, 1650, 1710, 1881, 1950, 2090, 2145, 2223, 2470, 2475, 2574, 2615, 2717, 2850, 2925, 3135, 3138, 3575, 3705, 3762, 4275, 4290, 4446, 4707, 4950, 5225, 5230, 5434, 5753, 5850, 6175, 6270, 6435, 6799, 7150, 7410, 7845, 8151, 8550, 9405, 9414, 9937, 10450, 10725, 11115, 11506, 12350, 12870, 13075, 13585, 13598, 15675, 15690, 16302, 17259, 18525, 18810, 19874, 20397, 21450, 22230, 23535, 24453, 26150, 27170, 28765, 29811, 31350, 32175, 33995, 34518, 37050, 39225, 40755, 40794, 47025, 47070, 48906, 49685, 51777, 55575, 57530, 59622, 61191, 64350, 67925, 67990, 74789, 78450, 81510, 86295, 89433, 94050, 99370, 101985, 103554, 109307, 111150, 117675, 122265, 122382, 129181, 135850, 143825, 149055, 149578, 169975, 172590, 178866, 203775, 203970, 218614, 224367, 235350, 244530, 248425, 258362, 258885, 287650, 298110, 305955, 327921, 339950, 373945, 387543, 407550, 431475, 447165, 448734, 496850, 509925, 517770, 546535, 611325, 611910, 645905, 655842, 673101, 745275, 747890, 775086, 862950, 894330, 983763, 1019850, 1093070, 1121835, 1162629, 1222650, 1291810, 1294425, 1346202, 1420991, 1490550, 1529775, 1639605, 1869725, 1937715, 1967526, 2235825, 2243670, 2325258, 2588850, 2732675, 2841982, 3059550, 3229525, 3279210, 3365505, 3739450, 3875430, 4262973, 4471650, 4918815, 5465350, 5609175, 5813145, 6459050, 6731010, 7104955, 8198025, 8525946, 9688575, 9837630, 11218350, 11626290, 12788919, 14209910, 16396050, 16827525, 19377150, 21314865, 24594075, 25577838, 29065725, 33655050, 35524775, 42629730, 49188150, 58131450, 63944595, 71049550, 106574325, 127889190, 213148650, 319722975, 639445950]

約数ペア:

[(1, 639445950), (2, 319722975), (3, 213148650), (5, 127889190), (6, 106574325), (9, 71049550), (10, 63944595), (11, 58131450), (13, 49188150), (15, 42629730), (18, 35524775), (19, 33655050), (22, 29065725), (25, 25577838), (26, 24594075), (30, 21314865), (33, 19377150), (38, 16827525), (39, 16396050), (45, 14209910), (50, 12788919), (55, 11626290), (57, 11218350), (65, 9837630), (66, 9688575), (75, 8525946), (78, 8198025), (90, 7104955), (95, 6731010), (99, 6459050), (110, 5813145), (114, 5609175), (117, 5465350), (130, 4918815), (143, 4471650), (150, 4262973), (165, 3875430), (171, 3739450), (190, 3365505), (195, 3279210), (198, 3229525), (209, 3059550), (225, 2841982), (234, 2732675), (247, 2588850), (275, 2325258), (285, 2243670), (286, 2235825), (325, 1967526), (330, 1937715), (342, 1869725), (390, 1639605), (418, 1529775), (429, 1490550), (450, 1420991), (475, 1346202), (494, 1294425), (495, 1291810), (523, 1222650), (550, 1162629), (570, 1121835), (585, 1093070), (627, 1019850), (650, 983763), (715, 894330), (741, 862950), (825, 775086), (855, 747890), (858, 745275), (950, 673101), (975, 655842), (990, 645905), (1045, 611910), (1046, 611325), (1170, 546535), (1235, 517770), (1254, 509925), (1287, 496850), (1425, 448734), (1430, 447165), (1482, 431475), (1569, 407550), (1650, 387543), (1710, 373945), (1881, 339950), (1950, 327921), (2090, 305955), (2145, 298110), (2223, 287650), (2470, 258885), (2475, 258362), (2574, 248425), (2615, 244530), (2717, 235350), (2850, 224367), (2925, 218614), (3135, 203970), (3138, 203775), (3575, 178866), (3705, 172590), (3762, 169975), (4275, 149578), (4290, 149055), (4446, 143825), (4707, 135850), (4950, 129181), (5225, 122382), (5230, 122265), (5434, 117675), (5753, 111150), (5850, 109307), (6175, 103554), (6270, 101985), (6435, 99370), (6799, 94050), (7150, 89433), (7410, 86295), (7845, 81510), (8151, 78450), (8550, 74789), (9405, 67990), (9414, 67925), (9937, 64350), (10450, 61191), (10725, 59622), (11115, 57530), (11506, 55575), (12350, 51777), (12870, 49685), (13075, 48906), (13585, 47070), (13598, 47025), (15675, 40794), (15690, 40755), (16302, 39225), (17259, 37050), (18525, 34518), (18810, 33995), (19874, 32175), (20397, 31350), (21450, 29811), (22230, 28765), (23535, 27170), (24453, 26150)]