1288894420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{532601}}^1$

素因数の和:532632

約数の個数: 36

約数和(自身を含む): 2975114772

約数和(自身を除く): 1686220352

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 532601, 1065202, 2130404, 2663005, 5326010, 5858611, 10652020, 11717222, 23434444, 29293055, 58586110, 64444721, 117172220, 128889442, 257778884, 322223605, 644447210, 1288894420]

約数ペア:

[(1, 1288894420), (2, 644447210), (4, 322223605), (5, 257778884), (10, 128889442), (11, 117172220), (20, 64444721), (22, 58586110), (44, 29293055), (55, 23434444), (110, 11717222), (121, 10652020), (220, 5858611), (242, 5326010), (484, 2663005), (605, 2130404), (1210, 1065202), (2420, 532601)]