2940378440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1499}}^1$

素因数の和:1647

約数の個数: 128

約数和(自身を含む): 7290000000

約数和(自身を除く): 4349621560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 89, 95, 116, 145, 152, 178, 190, 232, 290, 356, 380, 445, 551, 580, 712, 760, 890, 1102, 1160, 1499, 1691, 1780, 2204, 2581, 2755, 2998, 3382, 3560, 4408, 5162, 5510, 5996, 6764, 7495, 8455, 10324, 11020, 11992, 12905, 13528, 14990, 16910, 20648, 22040, 25810, 28481, 29980, 33820, 43471, 49039, 51620, 56962, 59960, 67640, 86942, 98078, 103240, 113924, 133411, 142405, 173884, 196156, 217355, 227848, 245195, 266822, 284810, 347768, 392312, 434710, 490390, 533644, 569620, 667055, 825949, 869420, 980780, 1067288, 1139240, 1334110, 1651898, 1738840, 1961560, 2534809, 2668220, 3303796, 3868919, 4129745, 5069618, 5336440, 6607592, 7737838, 8259490, 10139236, 12674045, 15475676, 16518980, 19344595, 20278472, 25348090, 30951352, 33037960, 38689190, 50696180, 73509461, 77378380, 101392360, 147018922, 154756760, 294037844, 367547305, 588075688, 735094610, 1470189220, 2940378440]

約数ペア:

[(1, 2940378440), (2, 1470189220), (4, 735094610), (5, 588075688), (8, 367547305), (10, 294037844), (19, 154756760), (20, 147018922), (29, 101392360), (38, 77378380), (40, 73509461), (58, 50696180), (76, 38689190), (89, 33037960), (95, 30951352), (116, 25348090), (145, 20278472), (152, 19344595), (178, 16518980), (190, 15475676), (232, 12674045), (290, 10139236), (356, 8259490), (380, 7737838), (445, 6607592), (551, 5336440), (580, 5069618), (712, 4129745), (760, 3868919), (890, 3303796), (1102, 2668220), (1160, 2534809), (1499, 1961560), (1691, 1738840), (1780, 1651898), (2204, 1334110), (2581, 1139240), (2755, 1067288), (2998, 980780), (3382, 869420), (3560, 825949), (4408, 667055), (5162, 569620), (5510, 533644), (5996, 490390), (6764, 434710), (7495, 392312), (8455, 347768), (10324, 284810), (11020, 266822), (11992, 245195), (12905, 227848), (13528, 217355), (14990, 196156), (16910, 173884), (20648, 142405), (22040, 133411), (25810, 113924), (28481, 103240), (29980, 98078), (33820, 86942), (43471, 67640), (49039, 59960), (51620, 56962)]