31557820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{523}}^1$

素因数の和:970

約数の個数: 48

約数和(自身を含む): 76059648

約数和(自身を除く): 44501828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 431, 523, 862, 1046, 1724, 2092, 2155, 2615, 3017, 3661, 4310, 5230, 6034, 7322, 8620, 10460, 12068, 14644, 15085, 18305, 30170, 36610, 60340, 73220, 225413, 450826, 901652, 1127065, 1577891, 2254130, 3155782, 4508260, 6311564, 7889455, 15778910, 31557820]

約数ペア:

[(1, 31557820), (2, 15778910), (4, 7889455), (5, 6311564), (7, 4508260), (10, 3155782), (14, 2254130), (20, 1577891), (28, 1127065), (35, 901652), (70, 450826), (140, 225413), (431, 73220), (523, 60340), (862, 36610), (1046, 30170), (1724, 18305), (2092, 15085), (2155, 14644), (2615, 12068), (3017, 10460), (3661, 8620), (4310, 7322), (5230, 6034)]