48999860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 135273600

約数和(自身を除く): 86273740

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 109, 130, 133, 140, 169, 182, 190, 218, 247, 260, 266, 338, 364, 380, 436, 455, 494, 532, 545, 665, 676, 763, 845, 910, 988, 1090, 1183, 1235, 1330, 1417, 1526, 1690, 1729, 1820, 2071, 2180, 2366, 2470, 2660, 2834, 3052, 3211, 3380, 3458, 3815, 4142, 4732, 4940, 5668, 5915, 6422, 6916, 7085, 7630, 8284, 8645, 9919, 10355, 11830, 12844, 14170, 14497, 15260, 16055, 17290, 18421, 19838, 20710, 22477, 23660, 26923, 28340, 28994, 32110, 34580, 36842, 39676, 41420, 44954, 49595, 53846, 57988, 64220, 72485, 73684, 89908, 92105, 99190, 107692, 112385, 128947, 134615, 144970, 184210, 188461, 198380, 224770, 257894, 269230, 289940, 349999, 368420, 376922, 449540, 515788, 538460, 644735, 699998, 753844, 942305, 1289470, 1399996, 1749995, 1884610, 2449993, 2578940, 3499990, 3769220, 4899986, 6999980, 9799972, 12249965, 24499930, 48999860]

約数ペア:

[(1, 48999860), (2, 24499930), (4, 12249965), (5, 9799972), (7, 6999980), (10, 4899986), (13, 3769220), (14, 3499990), (19, 2578940), (20, 2449993), (26, 1884610), (28, 1749995), (35, 1399996), (38, 1289470), (52, 942305), (65, 753844), (70, 699998), (76, 644735), (91, 538460), (95, 515788), (109, 449540), (130, 376922), (133, 368420), (140, 349999), (169, 289940), (182, 269230), (190, 257894), (218, 224770), (247, 198380), (260, 188461), (266, 184210), (338, 144970), (364, 134615), (380, 128947), (436, 112385), (455, 107692), (494, 99190), (532, 92105), (545, 89908), (665, 73684), (676, 72485), (763, 64220), (845, 57988), (910, 53846), (988, 49595), (1090, 44954), (1183, 41420), (1235, 39676), (1330, 36842), (1417, 34580), (1526, 32110), (1690, 28994), (1729, 28340), (1820, 26923), (2071, 23660), (2180, 22477), (2366, 20710), (2470, 19838), (2660, 18421), (2834, 17290), (3052, 16055), (3211, 15260), (3380, 14497), (3458, 14170), (3815, 12844), (4142, 11830), (4732, 10355), (4940, 9919), (5668, 8645), (5915, 8284), (6422, 7630), (6916, 7085)]