178035340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{17911}}^1$

素因数の和:17998

約数の個数: 48

約数和(自身を含む): 433327104

約数和(自身を除く): 255291764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 17911, 35822, 71644, 89555, 125377, 179110, 250754, 358220, 501508, 626885, 1253770, 1271681, 2507540, 2543362, 5086724, 6358405, 8901767, 12716810, 17803534, 25433620, 35607068, 44508835, 89017670, 178035340]

約数ペア:

[(1, 178035340), (2, 89017670), (4, 44508835), (5, 35607068), (7, 25433620), (10, 17803534), (14, 12716810), (20, 8901767), (28, 6358405), (35, 5086724), (70, 2543362), (71, 2507540), (140, 1271681), (142, 1253770), (284, 626885), (355, 501508), (497, 358220), (710, 250754), (994, 179110), (1420, 125377), (1988, 89555), (2485, 71644), (4970, 35822), (9940, 17911)]