90354925

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 124849152

約数和(自身を除く): 34494227

約数列:

[1, 5, 23, 25, 31, 37, 115, 137, 155, 185, 575, 685, 713, 775, 851, 925, 1147, 3151, 3425, 3565, 4247, 4255, 5069, 5735, 15755, 17825, 21235, 21275, 25345, 26381, 28675, 78775, 97681, 106175, 116587, 126725, 131905, 157139, 488405, 582935, 659525, 785695, 2442025, 2914675, 3614197, 3928475, 18070985, 90354925]

約数ペア:

[(1, 90354925), (5, 18070985), (23, 3928475), (25, 3614197), (31, 2914675), (37, 2442025), (115, 785695), (137, 659525), (155, 582935), (185, 488405), (575, 157139), (685, 131905), (713, 126725), (775, 116587), (851, 106175), (925, 97681), (1147, 78775), (3151, 28675), (3425, 26381), (3565, 25345), (4247, 21275), (4255, 21235), (5069, 17825), (5735, 15755)]