205128740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{6761}}^1$

素因数の和:6848

約数の個数: 48

約数和(自身を含む): 453270384

約数和(自身を除く): 248141644

約数列:

[1, 2, 4, 5, 10, 20, 37, 41, 74, 82, 148, 164, 185, 205, 370, 410, 740, 820, 1517, 3034, 6068, 6761, 7585, 13522, 15170, 27044, 30340, 33805, 67610, 135220, 250157, 277201, 500314, 554402, 1000628, 1108804, 1250785, 1386005, 2501570, 2772010, 5003140, 5544020, 10256437, 20512874, 41025748, 51282185, 102564370, 205128740]

約数ペア:

[(1, 205128740), (2, 102564370), (4, 51282185), (5, 41025748), (10, 20512874), (20, 10256437), (37, 5544020), (41, 5003140), (74, 2772010), (82, 2501570), (148, 1386005), (164, 1250785), (185, 1108804), (205, 1000628), (370, 554402), (410, 500314), (740, 277201), (820, 250157), (1517, 135220), (3034, 67610), (6068, 33805), (6761, 30340), (7585, 27044), (13522, 15170)]