42980140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{587}}^1$

素因数の和:1126

約数の個数: 48

約数和(自身を含む): 103525632

約数和(自身を除く): 60545492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 523, 587, 1046, 1174, 2092, 2348, 2615, 2935, 3661, 4109, 5230, 5870, 7322, 8218, 10460, 11740, 14644, 16436, 18305, 20545, 36610, 41090, 73220, 82180, 307001, 614002, 1228004, 1535005, 2149007, 3070010, 4298014, 6140020, 8596028, 10745035, 21490070, 42980140]

約数ペア:

[(1, 42980140), (2, 21490070), (4, 10745035), (5, 8596028), (7, 6140020), (10, 4298014), (14, 3070010), (20, 2149007), (28, 1535005), (35, 1228004), (70, 614002), (140, 307001), (523, 82180), (587, 73220), (1046, 41090), (1174, 36610), (2092, 20545), (2348, 18305), (2615, 16436), (2935, 14644), (3661, 11740), (4109, 10460), (5230, 8218), (5870, 7322)]