208342525

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 281856960

約数和(自身を除く): 73514435

約数列:

[1, 5, 25, 29, 41, 43, 145, 163, 205, 215, 725, 815, 1025, 1075, 1189, 1247, 1763, 4075, 4727, 5945, 6235, 6683, 7009, 8815, 23635, 29725, 31175, 33415, 35045, 44075, 51127, 118175, 167075, 175225, 193807, 203261, 255635, 287369, 969035, 1016305, 1278175, 1436845, 4845175, 5081525, 7184225, 8333701, 41668505, 208342525]

約数ペア:

[(1, 208342525), (5, 41668505), (25, 8333701), (29, 7184225), (41, 5081525), (43, 4845175), (145, 1436845), (163, 1278175), (205, 1016305), (215, 969035), (725, 287369), (815, 255635), (1025, 203261), (1075, 193807), (1189, 175225), (1247, 167075), (1763, 118175), (4075, 51127), (4727, 44075), (5945, 35045), (6235, 33415), (6683, 31175), (7009, 29725), (8815, 23635)]