85438290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{971}}^1$

素因数の和:1407

約数の個数: 64

約数和(自身を含む): 235146240

約数和(自身を除く): 149707950

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 419, 838, 971, 1257, 1942, 2095, 2514, 2913, 2933, 4190, 4855, 5826, 5866, 6285, 6797, 8799, 9710, 12570, 13594, 14565, 14665, 17598, 20391, 29130, 29330, 33985, 40782, 43995, 67970, 87990, 101955, 203910, 406849, 813698, 1220547, 2034245, 2441094, 2847943, 4068490, 5695886, 6102735, 8543829, 12205470, 14239715, 17087658, 28479430, 42719145, 85438290]

約数ペア:

[(1, 85438290), (2, 42719145), (3, 28479430), (5, 17087658), (6, 14239715), (7, 12205470), (10, 8543829), (14, 6102735), (15, 5695886), (21, 4068490), (30, 2847943), (35, 2441094), (42, 2034245), (70, 1220547), (105, 813698), (210, 406849), (419, 203910), (838, 101955), (971, 87990), (1257, 67970), (1942, 43995), (2095, 40782), (2514, 33985), (2913, 29330), (2933, 29130), (4190, 20391), (4855, 17598), (5826, 14665), (5866, 14565), (6285, 13594), (6797, 12570), (8799, 9710)]