248608710

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{661}}^1$

素因数の和:883

約数の個数: 128

約数和(自身を含む): 762624000

約数和(自身を除く): 514015290

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 199, 210, 270, 315, 378, 398, 597, 630, 661, 945, 995, 1194, 1322, 1393, 1791, 1890, 1983, 1990, 2786, 2985, 3305, 3582, 3966, 4179, 4627, 5373, 5949, 5970, 6610, 6965, 8358, 8955, 9254, 9915, 10746, 11898, 12537, 13881, 13930, 17847, 17910, 19830, 20895, 23135, 25074, 26865, 27762, 29745, 35694, 37611, 41643, 41790, 46270, 53730, 59490, 62685, 69405, 75222, 83286, 89235, 124929, 125370, 131539, 138810, 178470, 188055, 208215, 249858, 263078, 376110, 394617, 416430, 624645, 657695, 789234, 920773, 1183851, 1249290, 1315390, 1841546, 1973085, 2367702, 2762319, 3551553, 3946170, 4603865, 5524638, 5919255, 7103106, 8286957, 9207730, 11838510, 13811595, 16573914, 17757765, 24860871, 27623190, 35515530, 41434785, 49721742, 82869570, 124304355, 248608710]

約数ペア:

[(1, 248608710), (2, 124304355), (3, 82869570), (5, 49721742), (6, 41434785), (7, 35515530), (9, 27623190), (10, 24860871), (14, 17757765), (15, 16573914), (18, 13811595), (21, 11838510), (27, 9207730), (30, 8286957), (35, 7103106), (42, 5919255), (45, 5524638), (54, 4603865), (63, 3946170), (70, 3551553), (90, 2762319), (105, 2367702), (126, 1973085), (135, 1841546), (189, 1315390), (199, 1249290), (210, 1183851), (270, 920773), (315, 789234), (378, 657695), (398, 624645), (597, 416430), (630, 394617), (661, 376110), (945, 263078), (995, 249858), (1194, 208215), (1322, 188055), (1393, 178470), (1791, 138810), (1890, 131539), (1983, 125370), (1990, 124929), (2786, 89235), (2985, 83286), (3305, 75222), (3582, 69405), (3966, 62685), (4179, 59490), (4627, 53730), (5373, 46270), (5949, 41790), (5970, 41643), (6610, 37611), (6965, 35694), (8358, 29745), (8955, 27762), (9254, 26865), (9915, 25074), (10746, 23135), (11898, 20895), (12537, 19830), (13881, 17910), (13930, 17847)]