490216454

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:358

約数の個数: 128

約数和(自身を含む): 1045094400

約数和(自身を除く): 554877946

約数列:

[1, 2, 7, 13, 14, 17, 19, 26, 31, 34, 38, 62, 91, 119, 133, 182, 217, 221, 238, 247, 266, 269, 323, 403, 434, 442, 494, 527, 538, 589, 646, 806, 1054, 1178, 1547, 1729, 1883, 2261, 2821, 3094, 3458, 3497, 3689, 3766, 4123, 4199, 4522, 4573, 5111, 5642, 6851, 6994, 7378, 7657, 8246, 8339, 8398, 9146, 10013, 10222, 13702, 15314, 16678, 20026, 24479, 29393, 32011, 35777, 47957, 48958, 53599, 58373, 58786, 59449, 64022, 66443, 70091, 71554, 86887, 95914, 107198, 108407, 116746, 118898, 130169, 132886, 140182, 141763, 158441, 173774, 216814, 260338, 283526, 316882, 416143, 465101, 608209, 758849, 832286, 911183, 930202, 992341, 1109087, 1129531, 1216418, 1517698, 1822366, 1842919, 1984682, 2059733, 2218174, 2259062, 2693497, 3685838, 4119466, 5386994, 7906717, 12900433, 14418131, 15813434, 18854479, 25800866, 28836262, 35015461, 37708958, 70030922, 245108227, 490216454]

約数ペア:

[(1, 490216454), (2, 245108227), (7, 70030922), (13, 37708958), (14, 35015461), (17, 28836262), (19, 25800866), (26, 18854479), (31, 15813434), (34, 14418131), (38, 12900433), (62, 7906717), (91, 5386994), (119, 4119466), (133, 3685838), (182, 2693497), (217, 2259062), (221, 2218174), (238, 2059733), (247, 1984682), (266, 1842919), (269, 1822366), (323, 1517698), (403, 1216418), (434, 1129531), (442, 1109087), (494, 992341), (527, 930202), (538, 911183), (589, 832286), (646, 758849), (806, 608209), (1054, 465101), (1178, 416143), (1547, 316882), (1729, 283526), (1883, 260338), (2261, 216814), (2821, 173774), (3094, 158441), (3458, 141763), (3497, 140182), (3689, 132886), (3766, 130169), (4123, 118898), (4199, 116746), (4522, 108407), (4573, 107198), (5111, 95914), (5642, 86887), (6851, 71554), (6994, 70091), (7378, 66443), (7657, 64022), (8246, 59449), (8339, 58786), (8398, 58373), (9146, 53599), (10013, 48958), (10222, 47957), (13702, 35777), (15314, 32011), (16678, 29393), (20026, 24479)]