2903900720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:480

約数の個数: 240

約数和(自身を含む): 8359464960

約数和(自身を除く): 5455564240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 127, 133, 140, 152, 190, 196, 245, 254, 266, 280, 304, 307, 380, 392, 490, 508, 532, 560, 614, 635, 665, 760, 784, 889, 931, 980, 1016, 1064, 1228, 1270, 1330, 1520, 1535, 1778, 1862, 1960, 2032, 2128, 2149, 2413, 2456, 2540, 2660, 3070, 3556, 3724, 3920, 4298, 4445, 4655, 4826, 4912, 5080, 5320, 5833, 6140, 6223, 7112, 7448, 8596, 8890, 9310, 9652, 10160, 10640, 10745, 11666, 12065, 12280, 12446, 14224, 14896, 15043, 16891, 17192, 17780, 18620, 19304, 21490, 23332, 24130, 24560, 24892, 29165, 30086, 31115, 33782, 34384, 35560, 37240, 38608, 38989, 40831, 42980, 46664, 48260, 49784, 58330, 60172, 62230, 67564, 71120, 74480, 75215, 77978, 81662, 84455, 85960, 93328, 96520, 99568, 116660, 118237, 120344, 124460, 135128, 150430, 155956, 163324, 168910, 171920, 193040, 194945, 204155, 233320, 236474, 240688, 248920, 270256, 272923, 285817, 300860, 311912, 326648, 337820, 389890, 408310, 466640, 472948, 497840, 545846, 571634, 591185, 601720, 623824, 653296, 675640, 740791, 779780, 816620, 945896, 1091692, 1143268, 1182370, 1203440, 1351280, 1364615, 1429085, 1481582, 1559560, 1633240, 1891792, 1910461, 2183384, 2286536, 2364740, 2729230, 2858170, 2963164, 3119120, 3266480, 3703955, 3820922, 4366768, 4573072, 4729480, 5185537, 5458460, 5716340, 5926328, 7407910, 7641844, 9458960, 9552305, 10371074, 10916920, 11432680, 11852656, 14815820, 15283688, 19104610, 20742148, 21833840, 22865360, 25927685, 29631640, 30567376, 36298759, 38209220, 41484296, 51855370, 59263280, 72597518, 76418440, 82968592, 103710740, 145195036, 152836880, 181493795, 207421480, 290390072, 362987590, 414842960, 580780144, 725975180, 1451950360, 2903900720]

約数ペア:

[(1, 2903900720), (2, 1451950360), (4, 725975180), (5, 580780144), (7, 414842960), (8, 362987590), (10, 290390072), (14, 207421480), (16, 181493795), (19, 152836880), (20, 145195036), (28, 103710740), (35, 82968592), (38, 76418440), (40, 72597518), (49, 59263280), (56, 51855370), (70, 41484296), (76, 38209220), (80, 36298759), (95, 30567376), (98, 29631640), (112, 25927685), (127, 22865360), (133, 21833840), (140, 20742148), (152, 19104610), (190, 15283688), (196, 14815820), (245, 11852656), (254, 11432680), (266, 10916920), (280, 10371074), (304, 9552305), (307, 9458960), (380, 7641844), (392, 7407910), (490, 5926328), (508, 5716340), (532, 5458460), (560, 5185537), (614, 4729480), (635, 4573072), (665, 4366768), (760, 3820922), (784, 3703955), (889, 3266480), (931, 3119120), (980, 2963164), (1016, 2858170), (1064, 2729230), (1228, 2364740), (1270, 2286536), (1330, 2183384), (1520, 1910461), (1535, 1891792), (1778, 1633240), (1862, 1559560), (1960, 1481582), (2032, 1429085), (2128, 1364615), (2149, 1351280), (2413, 1203440), (2456, 1182370), (2540, 1143268), (2660, 1091692), (3070, 945896), (3556, 816620), (3724, 779780), (3920, 740791), (4298, 675640), (4445, 653296), (4655, 623824), (4826, 601720), (4912, 591185), (5080, 571634), (5320, 545846), (5833, 497840), (6140, 472948), (6223, 466640), (7112, 408310), (7448, 389890), (8596, 337820), (8890, 326648), (9310, 311912), (9652, 300860), (10160, 285817), (10640, 272923), (10745, 270256), (11666, 248920), (12065, 240688), (12280, 236474), (12446, 233320), (14224, 204155), (14896, 194945), (15043, 193040), (16891, 171920), (17192, 168910), (17780, 163324), (18620, 155956), (19304, 150430), (21490, 135128), (23332, 124460), (24130, 120344), (24560, 118237), (24892, 116660), (29165, 99568), (30086, 96520), (31115, 93328), (33782, 85960), (34384, 84455), (35560, 81662), (37240, 77978), (38608, 75215), (38989, 74480), (40831, 71120), (42980, 67564), (46664, 62230), (48260, 60172), (49784, 58330)]