121221740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{7207}}^1$

素因数の和:7274

約数の個数: 36

約数和(自身を含む): 263683056

約数和(自身を除く): 142461316

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 841, 1682, 3364, 4205, 7207, 8410, 14414, 16820, 28828, 36035, 72070, 144140, 209003, 418006, 836012, 1045015, 2090030, 4180060, 6061087, 12122174, 24244348, 30305435, 60610870, 121221740]

約数ペア:

[(1, 121221740), (2, 60610870), (4, 30305435), (5, 24244348), (10, 12122174), (20, 6061087), (29, 4180060), (58, 2090030), (116, 1045015), (145, 836012), (290, 418006), (580, 209003), (841, 144140), (1682, 72070), (3364, 36035), (4205, 28828), (7207, 16820), (8410, 14414)]