395367760

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1481}}^1$

素因数の和:1612

約数の個数: 80

約数和(自身を含む): 952653312

約数和(自身を除く): 557285552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 71, 80, 94, 142, 188, 235, 284, 355, 376, 470, 568, 710, 752, 940, 1136, 1420, 1481, 1880, 2840, 2962, 3337, 3760, 5680, 5924, 6674, 7405, 11848, 13348, 14810, 16685, 23696, 26696, 29620, 33370, 53392, 59240, 66740, 69607, 105151, 118480, 133480, 139214, 210302, 266960, 278428, 348035, 420604, 525755, 556856, 696070, 841208, 1051510, 1113712, 1392140, 1682416, 2103020, 2784280, 4206040, 4942097, 5568560, 8412080, 9884194, 19768388, 24710485, 39536776, 49420970, 79073552, 98841940, 197683880, 395367760]

約数ペア:

[(1, 395367760), (2, 197683880), (4, 98841940), (5, 79073552), (8, 49420970), (10, 39536776), (16, 24710485), (20, 19768388), (40, 9884194), (47, 8412080), (71, 5568560), (80, 4942097), (94, 4206040), (142, 2784280), (188, 2103020), (235, 1682416), (284, 1392140), (355, 1113712), (376, 1051510), (470, 841208), (568, 696070), (710, 556856), (752, 525755), (940, 420604), (1136, 348035), (1420, 278428), (1481, 266960), (1880, 210302), (2840, 139214), (2962, 133480), (3337, 118480), (3760, 105151), (5680, 69607), (5924, 66740), (6674, 59240), (7405, 53392), (11848, 33370), (13348, 29620), (14810, 26696), (16685, 23696)]