259968325

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 353548800

約数和(自身を除く): 93580475

約数列:

[1, 5, 25, 29, 31, 43, 145, 155, 215, 269, 725, 775, 899, 1075, 1247, 1333, 1345, 4495, 6235, 6665, 6725, 7801, 8339, 11567, 22475, 31175, 33325, 38657, 39005, 41695, 57835, 193285, 195025, 208475, 241831, 289175, 335443, 358577, 966425, 1209155, 1677215, 1792885, 6045775, 8386075, 8964425, 10398733, 51993665, 259968325]

約数ペア:

[(1, 259968325), (5, 51993665), (25, 10398733), (29, 8964425), (31, 8386075), (43, 6045775), (145, 1792885), (155, 1677215), (215, 1209155), (269, 966425), (725, 358577), (775, 335443), (899, 289175), (1075, 241831), (1247, 208475), (1333, 195025), (1345, 193285), (4495, 57835), (6235, 41695), (6665, 39005), (6725, 38657), (7801, 33325), (8339, 31175), (11567, 22475)]