205702975

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:516

約数の個数: 36

約数和(自身を含む): 275460048

約数和(自身を除く): 69757073

約数列:

[1, 5, 17, 25, 71, 85, 289, 355, 401, 425, 1207, 1445, 1775, 2005, 6035, 6817, 7225, 10025, 20519, 28471, 30175, 34085, 102595, 115889, 142355, 170425, 484007, 512975, 579445, 711775, 2420035, 2897225, 8228119, 12100175, 41140595, 205702975]

約数ペア:

[(1, 205702975), (5, 41140595), (17, 12100175), (25, 8228119), (71, 2897225), (85, 2420035), (289, 711775), (355, 579445), (401, 512975), (425, 484007), (1207, 170425), (1445, 142355), (1775, 115889), (2005, 102595), (6035, 34085), (6817, 30175), (7225, 28471), (10025, 20519)]