2009149620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{255617}}^1$

素因数の和:255760

約数の個数: 48

約数和(自身を含む): 5668584768

約数和(自身を除く): 3659435148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3930, 7860, 255617, 511234, 766851, 1022468, 1278085, 1533702, 2556170, 3067404, 3834255, 5112340, 7668510, 15337020, 33485827, 66971654, 100457481, 133943308, 167429135, 200914962, 334858270, 401829924, 502287405, 669716540, 1004574810, 2009149620]

約数ペア:

[(1, 2009149620), (2, 1004574810), (3, 669716540), (4, 502287405), (5, 401829924), (6, 334858270), (10, 200914962), (12, 167429135), (15, 133943308), (20, 100457481), (30, 66971654), (60, 33485827), (131, 15337020), (262, 7668510), (393, 5112340), (524, 3834255), (655, 3067404), (786, 2556170), (1310, 1533702), (1572, 1278085), (1965, 1022468), (2620, 766851), (3930, 511234), (7860, 255617)]