2878049320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1949}}^1$

素因数の和:2075

約数の個数: 128

約数和(自身を含む): 7160400000

約数和(自身を除く): 4282350680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 67, 76, 95, 116, 134, 145, 152, 190, 232, 268, 290, 335, 380, 536, 551, 580, 670, 760, 1102, 1160, 1273, 1340, 1943, 1949, 2204, 2546, 2680, 2755, 3886, 3898, 4408, 5092, 5510, 6365, 7772, 7796, 9715, 9745, 10184, 11020, 12730, 15544, 15592, 19430, 19490, 22040, 25460, 36917, 37031, 38860, 38980, 50920, 56521, 73834, 74062, 77720, 77960, 113042, 130583, 147668, 148124, 184585, 185155, 226084, 261166, 282605, 295336, 296248, 369170, 370310, 452168, 522332, 565210, 652915, 738340, 740620, 1044664, 1073899, 1130420, 1305830, 1476680, 1481240, 2147798, 2260840, 2481077, 2611660, 3786907, 4295596, 4962154, 5223320, 5369495, 7573814, 8591192, 9924308, 10738990, 12405385, 15147628, 18934535, 19848616, 21477980, 24810770, 30295256, 37869070, 42955960, 49621540, 71951233, 75738140, 99243080, 143902466, 151476280, 287804932, 359756165, 575609864, 719512330, 1439024660, 2878049320]

約数ペア:

[(1, 2878049320), (2, 1439024660), (4, 719512330), (5, 575609864), (8, 359756165), (10, 287804932), (19, 151476280), (20, 143902466), (29, 99243080), (38, 75738140), (40, 71951233), (58, 49621540), (67, 42955960), (76, 37869070), (95, 30295256), (116, 24810770), (134, 21477980), (145, 19848616), (152, 18934535), (190, 15147628), (232, 12405385), (268, 10738990), (290, 9924308), (335, 8591192), (380, 7573814), (536, 5369495), (551, 5223320), (580, 4962154), (670, 4295596), (760, 3786907), (1102, 2611660), (1160, 2481077), (1273, 2260840), (1340, 2147798), (1943, 1481240), (1949, 1476680), (2204, 1305830), (2546, 1130420), (2680, 1073899), (2755, 1044664), (3886, 740620), (3898, 738340), (4408, 652915), (5092, 565210), (5510, 522332), (6365, 452168), (7772, 370310), (7796, 369170), (9715, 296248), (9745, 295336), (10184, 282605), (11020, 261166), (12730, 226084), (15544, 185155), (15592, 184585), (19430, 148124), (19490, 147668), (22040, 130583), (25460, 113042), (36917, 77960), (37031, 77720), (38860, 74062), (38980, 73834), (50920, 56521)]