408182320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:292

約数の個数: 240

約数和(自身を含む): 1241706240

約数和(自身を除く): 833523920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 80, 91, 95, 104, 112, 130, 133, 140, 152, 169, 182, 190, 208, 227, 247, 260, 266, 280, 304, 338, 364, 380, 454, 455, 494, 520, 532, 560, 665, 676, 728, 760, 845, 908, 910, 988, 1040, 1064, 1135, 1183, 1235, 1330, 1352, 1456, 1520, 1589, 1690, 1729, 1816, 1820, 1976, 2128, 2270, 2366, 2470, 2660, 2704, 2951, 3178, 3211, 3380, 3458, 3632, 3640, 3952, 4313, 4540, 4732, 4940, 5320, 5902, 5915, 6356, 6422, 6760, 6916, 7280, 7945, 8626, 8645, 9080, 9464, 9880, 10640, 11804, 11830, 12712, 12844, 13520, 13832, 14755, 15890, 16055, 17252, 17290, 18160, 18928, 19760, 20657, 21565, 22477, 23608, 23660, 25424, 25688, 27664, 29510, 30191, 31780, 32110, 34504, 34580, 38363, 41314, 43130, 44954, 47216, 47320, 51376, 56069, 59020, 60382, 63560, 64220, 69008, 69160, 76726, 82628, 86260, 89908, 94640, 103285, 112138, 112385, 118040, 120764, 127120, 128440, 138320, 150955, 153452, 165256, 172520, 179816, 191815, 206570, 224276, 224770, 236080, 241528, 256880, 268541, 280345, 301910, 306904, 330512, 345040, 359632, 383630, 392483, 413140, 448552, 449540, 483056, 537082, 560690, 603820, 613808, 728897, 767260, 784966, 826280, 897104, 899080, 1074164, 1121380, 1207640, 1342705, 1457794, 1534520, 1569932, 1652560, 1798160, 1962415, 2148328, 2242760, 2415280, 2685410, 2915588, 3069040, 3139864, 3644485, 3924830, 4296656, 4485520, 5102279, 5370820, 5831176, 6279728, 7288970, 7849660, 10204558, 10741640, 11662352, 14577940, 15699320, 20409116, 21483280, 25511395, 29155880, 31398640, 40818232, 51022790, 58311760, 81636464, 102045580, 204091160, 408182320]

約数ペア:

[(1, 408182320), (2, 204091160), (4, 102045580), (5, 81636464), (7, 58311760), (8, 51022790), (10, 40818232), (13, 31398640), (14, 29155880), (16, 25511395), (19, 21483280), (20, 20409116), (26, 15699320), (28, 14577940), (35, 11662352), (38, 10741640), (40, 10204558), (52, 7849660), (56, 7288970), (65, 6279728), (70, 5831176), (76, 5370820), (80, 5102279), (91, 4485520), (95, 4296656), (104, 3924830), (112, 3644485), (130, 3139864), (133, 3069040), (140, 2915588), (152, 2685410), (169, 2415280), (182, 2242760), (190, 2148328), (208, 1962415), (227, 1798160), (247, 1652560), (260, 1569932), (266, 1534520), (280, 1457794), (304, 1342705), (338, 1207640), (364, 1121380), (380, 1074164), (454, 899080), (455, 897104), (494, 826280), (520, 784966), (532, 767260), (560, 728897), (665, 613808), (676, 603820), (728, 560690), (760, 537082), (845, 483056), (908, 449540), (910, 448552), (988, 413140), (1040, 392483), (1064, 383630), (1135, 359632), (1183, 345040), (1235, 330512), (1330, 306904), (1352, 301910), (1456, 280345), (1520, 268541), (1589, 256880), (1690, 241528), (1729, 236080), (1816, 224770), (1820, 224276), (1976, 206570), (2128, 191815), (2270, 179816), (2366, 172520), (2470, 165256), (2660, 153452), (2704, 150955), (2951, 138320), (3178, 128440), (3211, 127120), (3380, 120764), (3458, 118040), (3632, 112385), (3640, 112138), (3952, 103285), (4313, 94640), (4540, 89908), (4732, 86260), (4940, 82628), (5320, 76726), (5902, 69160), (5915, 69008), (6356, 64220), (6422, 63560), (6760, 60382), (6916, 59020), (7280, 56069), (7945, 51376), (8626, 47320), (8645, 47216), (9080, 44954), (9464, 43130), (9880, 41314), (10640, 38363), (11804, 34580), (11830, 34504), (12712, 32110), (12844, 31780), (13520, 30191), (13832, 29510), (14755, 27664), (15890, 25688), (16055, 25424), (17252, 23660), (17290, 23608), (18160, 22477), (18928, 21565), (19760, 20657)]