393670025

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{601}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 591212160

約数和(自身を除く): 197542135

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 197, 475, 601, 665, 985, 1379, 3005, 3325, 3743, 4207, 4925, 6895, 11419, 15025, 18715, 21035, 26201, 34475, 57095, 79933, 93575, 105175, 118397, 131005, 285475, 399665, 591985, 655025, 828779, 1998325, 2249543, 2959925, 4143895, 11247715, 15746801, 20719475, 56238575, 78734005, 393670025]

約数ペア:

[(1, 393670025), (5, 78734005), (7, 56238575), (19, 20719475), (25, 15746801), (35, 11247715), (95, 4143895), (133, 2959925), (175, 2249543), (197, 1998325), (475, 828779), (601, 655025), (665, 591985), (985, 399665), (1379, 285475), (3005, 131005), (3325, 118397), (3743, 105175), (4207, 93575), (4925, 79933), (6895, 57095), (11419, 34475), (15025, 26201), (18715, 21035)]