30657925

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:170

約数の個数: 36

約数和(自身を含む): 41574720

約数和(自身を除く): 10916795

約数列:

[1, 5, 19, 25, 43, 79, 95, 215, 361, 395, 475, 817, 1075, 1501, 1805, 1975, 3397, 4085, 7505, 9025, 15523, 16985, 20425, 28519, 37525, 64543, 77615, 84925, 142595, 322715, 388075, 712975, 1226317, 1613575, 6131585, 30657925]

約数ペア:

[(1, 30657925), (5, 6131585), (19, 1613575), (25, 1226317), (43, 712975), (79, 388075), (95, 322715), (215, 142595), (361, 84925), (395, 77615), (475, 64543), (817, 37525), (1075, 28519), (1501, 20425), (1805, 16985), (1975, 15523), (3397, 9025), (4085, 7505)]