258300000020

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{94270073}}^1$

素因数の和:94270219

約数の個数: 24

約数和(自身を含む): 546389348904

約数和(自身を除く): 288089348884

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 94270073, 188540146, 377080292, 471350365, 942700730, 1885401460, 12915000001, 25830000002, 51660000004, 64575000005, 129150000010, 258300000020]

約数ペア:

[(1, 258300000020), (2, 129150000010), (4, 64575000005), (5, 51660000004), (10, 25830000002), (20, 12915000001), (137, 1885401460), (274, 942700730), (548, 471350365), (685, 377080292), (1370, 188540146), (2740, 94270073)]