420422975

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{126443}}^1$

素因数の和:126479

約数の個数: 24

約数和(自身を含む): 627162240

約数和(自身を除く): 206739265

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 475, 665, 3325, 126443, 632215, 885101, 2402417, 3161075, 4425505, 12012085, 16816919, 22127525, 60060425, 84084595, 420422975]

約数ペア:

[(1, 420422975), (5, 84084595), (7, 60060425), (19, 22127525), (25, 16816919), (35, 12012085), (95, 4425505), (133, 3161075), (175, 2402417), (475, 885101), (665, 632215), (3325, 126443)]