31102280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{70687}}^1$

素因数の和:70709

約数の個数: 32

約数和(自身を含む): 76343040

約数和(自身を除く): 45240760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 70687, 141374, 282748, 353435, 565496, 706870, 777557, 1413740, 1555114, 2827480, 3110228, 3887785, 6220456, 7775570, 15551140, 31102280]

約数ペア:

[(1, 31102280), (2, 15551140), (4, 7775570), (5, 6220456), (8, 3887785), (10, 3110228), (11, 2827480), (20, 1555114), (22, 1413740), (40, 777557), (44, 706870), (55, 565496), (88, 353435), (110, 282748), (220, 141374), (440, 70687)]