1392678890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{129793}}^1$

素因数の和:129866

約数の個数: 32

約数和(自身を含む): 2663372880

約数和(自身を除く): 1270693990

約数列:

[1, 2, 5, 10, 29, 37, 58, 74, 145, 185, 290, 370, 1073, 2146, 5365, 10730, 129793, 259586, 648965, 1297930, 3763997, 4802341, 7527994, 9604682, 18819985, 24011705, 37639970, 48023410, 139267889, 278535778, 696339445, 1392678890]

約数ペア:

[(1, 1392678890), (2, 696339445), (5, 278535778), (10, 139267889), (29, 48023410), (37, 37639970), (58, 24011705), (74, 18819985), (145, 9604682), (185, 7527994), (290, 4802341), (370, 3763997), (1073, 1297930), (2146, 648965), (5365, 259586), (10730, 129793)]