30980075

素因数分解:

$5^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{839}}^1$

素因数の和:1067

約数の個数: 24

約数和(自身を含む): 44163840

約数和(自身を除く): 13183765

約数列:

[1, 5, 7, 25, 35, 175, 211, 839, 1055, 1477, 4195, 5275, 5873, 7385, 20975, 29365, 36925, 146825, 177029, 885145, 1239203, 4425725, 6196015, 30980075]

約数ペア:

[(1, 30980075), (5, 6196015), (7, 4425725), (25, 1239203), (35, 885145), (175, 177029), (211, 146825), (839, 36925), (1055, 29365), (1477, 20975), (4195, 7385), (5275, 5873)]