207711020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{85831}}^1$

素因数の和:85862

約数の個数: 36

約数和(自身を含む): 479457552

約数和(自身を除く): 271746532

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 85831, 171662, 343324, 429155, 858310, 944141, 1716620, 1888282, 3776564, 4720705, 9441410, 10385551, 18882820, 20771102, 41542204, 51927755, 103855510, 207711020]

約数ペア:

[(1, 207711020), (2, 103855510), (4, 51927755), (5, 41542204), (10, 20771102), (11, 18882820), (20, 10385551), (22, 9441410), (44, 4720705), (55, 3776564), (110, 1888282), (121, 1716620), (220, 944141), (242, 858310), (484, 429155), (605, 343324), (1210, 171662), (2420, 85831)]