420598178

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:384

約数の個数: 96

約数和(自身を含む): 868734720

約数和(自身を除く): 448136542

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 71, 77, 91, 121, 142, 143, 154, 182, 242, 269, 286, 497, 538, 781, 847, 923, 994, 1001, 1562, 1573, 1694, 1846, 1883, 2002, 2959, 3146, 3497, 3766, 5467, 5918, 6461, 6994, 8591, 10153, 10934, 11011, 12922, 17182, 19099, 20306, 20713, 22022, 24479, 32549, 38198, 38467, 41426, 48958, 60137, 65098, 71071, 76934, 111683, 120274, 133693, 142142, 210089, 223366, 227843, 248287, 267386, 269269, 420178, 423137, 455686, 496574, 538538, 781781, 846274, 1470623, 1563562, 1738009, 2310979, 2731157, 2941246, 2961959, 3476018, 4621958, 5462314, 5923918, 16176853, 19118099, 30042727, 32353706, 38236198, 60085454, 210299089, 420598178]

約数ペア:

[(1, 420598178), (2, 210299089), (7, 60085454), (11, 38236198), (13, 32353706), (14, 30042727), (22, 19118099), (26, 16176853), (71, 5923918), (77, 5462314), (91, 4621958), (121, 3476018), (142, 2961959), (143, 2941246), (154, 2731157), (182, 2310979), (242, 1738009), (269, 1563562), (286, 1470623), (497, 846274), (538, 781781), (781, 538538), (847, 496574), (923, 455686), (994, 423137), (1001, 420178), (1562, 269269), (1573, 267386), (1694, 248287), (1846, 227843), (1883, 223366), (2002, 210089), (2959, 142142), (3146, 133693), (3497, 120274), (3766, 111683), (5467, 76934), (5918, 71071), (6461, 65098), (6994, 60137), (8591, 48958), (10153, 41426), (10934, 38467), (11011, 38198), (12922, 32549), (17182, 24479), (19099, 22022), (20306, 20713)]