3890425

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:118

約数の個数: 48

約数和(自身を含む): 6285312

約数和(自身を除く): 2394887

約数列:

[1, 5, 7, 11, 25, 35, 43, 47, 55, 77, 175, 215, 235, 275, 301, 329, 385, 473, 517, 1075, 1175, 1505, 1645, 1925, 2021, 2365, 2585, 3311, 3619, 7525, 8225, 10105, 11825, 12925, 14147, 16555, 18095, 22231, 50525, 70735, 82775, 90475, 111155, 155617, 353675, 555775, 778085, 3890425]

約数ペア:

[(1, 3890425), (5, 778085), (7, 555775), (11, 353675), (25, 155617), (35, 111155), (43, 90475), (47, 82775), (55, 70735), (77, 50525), (175, 22231), (215, 18095), (235, 16555), (275, 14147), (301, 12925), (329, 11825), (385, 10105), (473, 8225), (517, 7525), (1075, 3619), (1175, 3311), (1505, 2585), (1645, 2365), (1925, 2021)]