208075

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:87

約数の個数: 24

約数和(自身を含む): 312480

約数和(自身を除く): 104405

約数列:

[1, 5, 7, 25, 29, 35, 41, 145, 175, 203, 205, 287, 725, 1015, 1025, 1189, 1435, 5075, 5945, 7175, 8323, 29725, 41615, 208075]

約数ペア:

[(1, 208075), (5, 41615), (7, 29725), (25, 8323), (29, 7175), (35, 5945), (41, 5075), (145, 1435), (175, 1189), (203, 1025), (205, 1015), (287, 725)]