38889620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{25253}}^1$

素因数の和:25280

約数の個数: 48

約数和(自身を含む): 101824128

約数和(自身を除く): 62934508

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 25253, 50506, 101012, 126265, 176771, 252530, 277783, 353542, 505060, 555566, 707084, 883855, 1111132, 1388915, 1767710, 1944481, 2777830, 3535420, 3888962, 5555660, 7777924, 9722405, 19444810, 38889620]

約数ペア:

[(1, 38889620), (2, 19444810), (4, 9722405), (5, 7777924), (7, 5555660), (10, 3888962), (11, 3535420), (14, 2777830), (20, 1944481), (22, 1767710), (28, 1388915), (35, 1111132), (44, 883855), (55, 707084), (70, 555566), (77, 505060), (110, 353542), (140, 277783), (154, 252530), (220, 176771), (308, 126265), (385, 101012), (770, 50506), (1540, 25253)]