405512240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:176

約数の個数: 240

約数和(自身を含む): 1172496384

約数和(自身を除く): 766984144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 47, 49, 56, 62, 70, 71, 80, 94, 98, 112, 124, 140, 142, 155, 188, 196, 217, 235, 245, 248, 280, 284, 310, 329, 355, 376, 392, 434, 470, 490, 496, 497, 560, 568, 620, 658, 710, 752, 784, 868, 940, 980, 994, 1085, 1136, 1240, 1316, 1420, 1457, 1519, 1645, 1736, 1880, 1960, 1988, 2170, 2201, 2303, 2480, 2485, 2632, 2840, 2914, 3038, 3290, 3337, 3472, 3479, 3760, 3920, 3976, 4340, 4402, 4606, 4970, 5264, 5680, 5828, 6076, 6580, 6674, 6958, 7285, 7595, 7952, 8680, 8804, 9212, 9940, 10199, 11005, 11515, 11656, 12152, 13160, 13348, 13916, 14570, 15190, 15407, 16685, 17360, 17395, 17608, 18424, 19880, 20398, 22010, 23030, 23312, 23359, 24304, 26320, 26696, 27832, 29140, 30380, 30814, 33370, 34790, 35216, 36848, 39760, 40796, 44020, 46060, 46718, 50995, 53392, 55664, 58280, 60760, 61628, 66740, 69580, 71393, 77035, 81592, 88040, 92120, 93436, 101990, 103447, 107849, 116560, 116795, 121520, 123256, 133480, 139160, 142786, 154070, 163184, 163513, 176080, 184240, 186872, 203980, 206894, 215698, 233590, 246512, 266960, 278320, 285572, 308140, 327026, 356965, 373744, 407960, 413788, 431396, 467180, 517235, 539245, 571144, 616280, 654052, 713930, 724129, 815920, 817565, 827576, 862792, 934360, 1034470, 1078490, 1142288, 1232560, 1308104, 1427860, 1448258, 1635130, 1655152, 1725584, 1868720, 2068940, 2156980, 2616208, 2855720, 2896516, 3270260, 3620645, 4137880, 4313960, 5068903, 5711440, 5793032, 6540520, 7241290, 8275760, 8627920, 10137806, 11586064, 13081040, 14482580, 20275612, 25344515, 28965160, 40551224, 50689030, 57930320, 81102448, 101378060, 202756120, 405512240]

約数ペア:

[(1, 405512240), (2, 202756120), (4, 101378060), (5, 81102448), (7, 57930320), (8, 50689030), (10, 40551224), (14, 28965160), (16, 25344515), (20, 20275612), (28, 14482580), (31, 13081040), (35, 11586064), (40, 10137806), (47, 8627920), (49, 8275760), (56, 7241290), (62, 6540520), (70, 5793032), (71, 5711440), (80, 5068903), (94, 4313960), (98, 4137880), (112, 3620645), (124, 3270260), (140, 2896516), (142, 2855720), (155, 2616208), (188, 2156980), (196, 2068940), (217, 1868720), (235, 1725584), (245, 1655152), (248, 1635130), (280, 1448258), (284, 1427860), (310, 1308104), (329, 1232560), (355, 1142288), (376, 1078490), (392, 1034470), (434, 934360), (470, 862792), (490, 827576), (496, 817565), (497, 815920), (560, 724129), (568, 713930), (620, 654052), (658, 616280), (710, 571144), (752, 539245), (784, 517235), (868, 467180), (940, 431396), (980, 413788), (994, 407960), (1085, 373744), (1136, 356965), (1240, 327026), (1316, 308140), (1420, 285572), (1457, 278320), (1519, 266960), (1645, 246512), (1736, 233590), (1880, 215698), (1960, 206894), (1988, 203980), (2170, 186872), (2201, 184240), (2303, 176080), (2480, 163513), (2485, 163184), (2632, 154070), (2840, 142786), (2914, 139160), (3038, 133480), (3290, 123256), (3337, 121520), (3472, 116795), (3479, 116560), (3760, 107849), (3920, 103447), (3976, 101990), (4340, 93436), (4402, 92120), (4606, 88040), (4970, 81592), (5264, 77035), (5680, 71393), (5828, 69580), (6076, 66740), (6580, 61628), (6674, 60760), (6958, 58280), (7285, 55664), (7595, 53392), (7952, 50995), (8680, 46718), (8804, 46060), (9212, 44020), (9940, 40796), (10199, 39760), (11005, 36848), (11515, 35216), (11656, 34790), (12152, 33370), (13160, 30814), (13348, 30380), (13916, 29140), (14570, 27832), (15190, 26696), (15407, 26320), (16685, 24304), (17360, 23359), (17395, 23312), (17608, 23030), (18424, 22010), (19880, 20398)]