1575996940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{158551}}^1$

素因数の和:158638

約数の個数: 48

約数和(自身を含む): 3835689984

約数和(自身を除く): 2259693044

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, 158551, 317102, 634204, 792755, 1109857, 1585510, 2219714, 3171020, 4439428, 5549285, 11098570, 11257121, 22197140, 22514242, 45028484, 56285605, 78799847, 112571210, 157599694, 225142420, 315199388, 393999235, 787998470, 1575996940]

約数ペア:

[(1, 1575996940), (2, 787998470), (4, 393999235), (5, 315199388), (7, 225142420), (10, 157599694), (14, 112571210), (20, 78799847), (28, 56285605), (35, 45028484), (70, 22514242), (71, 22197140), (140, 11257121), (142, 11098570), (284, 5549285), (355, 4439428), (497, 3171020), (710, 2219714), (994, 1585510), (1420, 1109857), (1988, 792755), (2485, 634204), (4970, 317102), (9940, 158551)]