239042990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{2753}}^1$

素因数の和:3236

約数の個数: 32

約数和(自身を含む): 454079520

約数和(自身を除く): 215036530

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 457, 914, 2285, 2753, 4570, 5506, 8683, 13765, 17366, 27530, 43415, 52307, 86830, 104614, 261535, 523070, 1258121, 2516242, 6290605, 12581210, 23904299, 47808598, 119521495, 239042990]

約数ペア:

[(1, 239042990), (2, 119521495), (5, 47808598), (10, 23904299), (19, 12581210), (38, 6290605), (95, 2516242), (190, 1258121), (457, 523070), (914, 261535), (2285, 104614), (2753, 86830), (4570, 52307), (5506, 43415), (8683, 27530), (13765, 17366)]