420210868

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2909}}^1$

素因数の和:3005

約数の個数: 72

約数和(自身を含む): 947449440

約数和(自身を除く): 527238572

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 67, 77, 98, 134, 154, 196, 268, 308, 469, 539, 737, 938, 1078, 1474, 1876, 2156, 2909, 2948, 3283, 5159, 5818, 6566, 10318, 11636, 13132, 20363, 20636, 31999, 36113, 40726, 63998, 72226, 81452, 127996, 142541, 144452, 194903, 223993, 285082, 389806, 447986, 570164, 779612, 895972, 1364321, 1567951, 2143933, 2728642, 3135902, 4287866, 5457284, 6271804, 8575732, 9550247, 15007531, 19100494, 30015062, 38200988, 60030124, 105052717, 210105434, 420210868]

約数ペア:

[(1, 420210868), (2, 210105434), (4, 105052717), (7, 60030124), (11, 38200988), (14, 30015062), (22, 19100494), (28, 15007531), (44, 9550247), (49, 8575732), (67, 6271804), (77, 5457284), (98, 4287866), (134, 3135902), (154, 2728642), (196, 2143933), (268, 1567951), (308, 1364321), (469, 895972), (539, 779612), (737, 570164), (938, 447986), (1078, 389806), (1474, 285082), (1876, 223993), (2156, 194903), (2909, 144452), (2948, 142541), (3283, 127996), (5159, 81452), (5818, 72226), (6566, 63998), (10318, 40726), (11636, 36113), (13132, 31999), (20363, 20636)]