1539206870

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1\times {\mathrm{5573}}^1$

素因数の和:6040

約数の個数: 32

約数和(自身を含む): 2817322560

約数和(自身を除く): 1278115690

約数列:

[1, 2, 5, 10, 71, 142, 355, 389, 710, 778, 1945, 3890, 5573, 11146, 27619, 27865, 55238, 55730, 138095, 276190, 395683, 791366, 1978415, 2167897, 3956830, 4335794, 10839485, 21678970, 153920687, 307841374, 769603435, 1539206870]

約数ペア:

[(1, 1539206870), (2, 769603435), (5, 307841374), (10, 153920687), (71, 21678970), (142, 10839485), (355, 4335794), (389, 3956830), (710, 2167897), (778, 1978415), (1945, 791366), (3890, 395683), (5573, 276190), (11146, 138095), (27619, 55730), (27865, 55238)]