28571350

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:289

約数の個数: 48

約数和(自身を含む): 55340208

約数和(自身を除く): 26768858

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 97, 137, 194, 215, 274, 430, 485, 685, 970, 1075, 1370, 2150, 2425, 3425, 4171, 4850, 5891, 6850, 8342, 11782, 13289, 20855, 26578, 29455, 41710, 58910, 66445, 104275, 132890, 147275, 208550, 294550, 332225, 571427, 664450, 1142854, 2857135, 5714270, 14285675, 28571350]

約数ペア:

[(1, 28571350), (2, 14285675), (5, 5714270), (10, 2857135), (25, 1142854), (43, 664450), (50, 571427), (86, 332225), (97, 294550), (137, 208550), (194, 147275), (215, 132890), (274, 104275), (430, 66445), (485, 58910), (685, 41710), (970, 29455), (1075, 26578), (1370, 20855), (2150, 13289), (2425, 11782), (3425, 8342), (4171, 6850), (4850, 5891)]