193987940

素因数分解:

$2^2\times 5^1\times {\mathrm{769}}^1\times {\mathrm{12613}}^1$

素因数の和:13391

約数の個数: 24

約数和(自身を含む): 407936760

約数和(自身を除く): 213948820

約数列:

[1, 2, 4, 5, 10, 20, 769, 1538, 3076, 3845, 7690, 12613, 15380, 25226, 50452, 63065, 126130, 252260, 9699397, 19398794, 38797588, 48496985, 96993970, 193987940]

約数ペア:

[(1, 193987940), (2, 96993970), (4, 48496985), (5, 38797588), (10, 19398794), (20, 9699397), (769, 252260), (1538, 126130), (3076, 63065), (3845, 50452), (7690, 25226), (12613, 15380)]