391825280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7951}}^1$

素因数の和:7988

約数の個数: 128

約数和(自身を含む): 1167989760

約数和(自身を除く): 776164480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1408, 1540, 1760, 2240, 2464, 3080, 3520, 4480, 4928, 6160, 7040, 7951, 9856, 12320, 15902, 24640, 31804, 39755, 49280, 55657, 63608, 79510, 87461, 111314, 127216, 159020, 174922, 222628, 254432, 278285, 318040, 349844, 437305, 445256, 508864, 556570, 612227, 636080, 699688, 874610, 890512, 1017728, 1113140, 1224454, 1272160, 1399376, 1749220, 1781024, 2226280, 2448908, 2544320, 2798752, 3061135, 3498440, 3562048, 4452560, 4897816, 5088640, 5597504, 6122270, 6996880, 7124096, 8905120, 9795632, 11195008, 12244540, 13993760, 17810240, 19591264, 24489080, 27987520, 35620480, 39182528, 48978160, 55975040, 78365056, 97956320, 195912640, 391825280]

約数ペア:

[(1, 391825280), (2, 195912640), (4, 97956320), (5, 78365056), (7, 55975040), (8, 48978160), (10, 39182528), (11, 35620480), (14, 27987520), (16, 24489080), (20, 19591264), (22, 17810240), (28, 13993760), (32, 12244540), (35, 11195008), (40, 9795632), (44, 8905120), (55, 7124096), (56, 6996880), (64, 6122270), (70, 5597504), (77, 5088640), (80, 4897816), (88, 4452560), (110, 3562048), (112, 3498440), (128, 3061135), (140, 2798752), (154, 2544320), (160, 2448908), (176, 2226280), (220, 1781024), (224, 1749220), (280, 1399376), (308, 1272160), (320, 1224454), (352, 1113140), (385, 1017728), (440, 890512), (448, 874610), (560, 699688), (616, 636080), (640, 612227), (704, 556570), (770, 508864), (880, 445256), (896, 437305), (1120, 349844), (1232, 318040), (1408, 278285), (1540, 254432), (1760, 222628), (2240, 174922), (2464, 159020), (3080, 127216), (3520, 111314), (4480, 87461), (4928, 79510), (6160, 63608), (7040, 55657), (7951, 49280), (9856, 39755), (12320, 31804), (15902, 24640)]