231013880

素因数分解:

$2^3\times 5^1\times {\mathrm{1913}}^1\times {\mathrm{3019}}^1$

素因数の和:4943

約数の個数: 32

約数和(自身を含む): 520225200

約数和(自身を除く): 289211320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1913, 3019, 3826, 6038, 7652, 9565, 12076, 15095, 15304, 19130, 24152, 30190, 38260, 60380, 76520, 120760, 5775347, 11550694, 23101388, 28876735, 46202776, 57753470, 115506940, 231013880]

約数ペア:

[(1, 231013880), (2, 115506940), (4, 57753470), (5, 46202776), (8, 28876735), (10, 23101388), (20, 11550694), (40, 5775347), (1913, 120760), (3019, 76520), (3826, 60380), (6038, 38260), (7652, 30190), (9565, 24152), (12076, 19130), (15095, 15304)]