350193920

素因数分解:

$2^8\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1997}}^1$

素因数の和:2155

約数の個数: 72

約数和(自身を含む): 845369784

約数和(自身を除く): 495175864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 256, 274, 320, 548, 640, 685, 1096, 1280, 1370, 1997, 2192, 2740, 3994, 4384, 5480, 7988, 8768, 9985, 10960, 15976, 17536, 19970, 21920, 31952, 35072, 39940, 43840, 63904, 79880, 87680, 127808, 159760, 175360, 255616, 273589, 319520, 511232, 547178, 639040, 1094356, 1278080, 1367945, 2188712, 2556160, 2735890, 4377424, 5471780, 8754848, 10943560, 17509696, 21887120, 35019392, 43774240, 70038784, 87548480, 175096960, 350193920]

約数ペア:

[(1, 350193920), (2, 175096960), (4, 87548480), (5, 70038784), (8, 43774240), (10, 35019392), (16, 21887120), (20, 17509696), (32, 10943560), (40, 8754848), (64, 5471780), (80, 4377424), (128, 2735890), (137, 2556160), (160, 2188712), (256, 1367945), (274, 1278080), (320, 1094356), (548, 639040), (640, 547178), (685, 511232), (1096, 319520), (1280, 273589), (1370, 255616), (1997, 175360), (2192, 159760), (2740, 127808), (3994, 87680), (4384, 79880), (5480, 63904), (7988, 43840), (8768, 39940), (9985, 35072), (10960, 31952), (15976, 21920), (17536, 19970)]