289447280

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{13757}}^1$

素因数の和:14033

約数の個数: 40

約数和(自身を含む): 675572832

約数和(自身を除く): 386125552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 1052, 1315, 2104, 2630, 4208, 5260, 10520, 13757, 21040, 27514, 55028, 68785, 110056, 137570, 220112, 275140, 550280, 1100560, 3618091, 7236182, 14472364, 18090455, 28944728, 36180910, 57889456, 72361820, 144723640, 289447280]

約数ペア:

[(1, 289447280), (2, 144723640), (4, 72361820), (5, 57889456), (8, 36180910), (10, 28944728), (16, 18090455), (20, 14472364), (40, 7236182), (80, 3618091), (263, 1100560), (526, 550280), (1052, 275140), (1315, 220112), (2104, 137570), (2630, 110056), (4208, 68785), (5260, 55028), (10520, 27514), (13757, 21040)]