204807925

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1601}}^1$

素因数の和:1678

約数の個数: 48

約数和(自身を含む): 314658432

約数和(自身を除く): 109850507

約数列:

[1, 5, 7, 17, 25, 35, 43, 85, 119, 175, 215, 301, 425, 595, 731, 1075, 1505, 1601, 2975, 3655, 5117, 7525, 8005, 11207, 18275, 25585, 27217, 40025, 56035, 68843, 127925, 136085, 190519, 280175, 344215, 481901, 680425, 952595, 1170331, 1721075, 2409505, 4762975, 5851655, 8192317, 12047525, 29258275, 40961585, 204807925]

約数ペア:

[(1, 204807925), (5, 40961585), (7, 29258275), (17, 12047525), (25, 8192317), (35, 5851655), (43, 4762975), (85, 2409505), (119, 1721075), (175, 1170331), (215, 952595), (301, 680425), (425, 481901), (595, 344215), (731, 280175), (1075, 190519), (1505, 136085), (1601, 127925), (2975, 68843), (3655, 56035), (5117, 40025), (7525, 27217), (8005, 25585), (11207, 18275)]