127926740

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 273297024

約数和(自身を除く): 145370284

約数列:

[1, 2, 4, 5, 10, 20, 131, 157, 262, 311, 314, 524, 622, 628, 655, 785, 1244, 1310, 1555, 1570, 2620, 3110, 3140, 6220, 20567, 40741, 41134, 48827, 81482, 82268, 97654, 102835, 162964, 195308, 203705, 205670, 244135, 407410, 411340, 488270, 814820, 976540, 6396337, 12792674, 25585348, 31981685, 63963370, 127926740]

約数ペア:

[(1, 127926740), (2, 63963370), (4, 31981685), (5, 25585348), (10, 12792674), (20, 6396337), (131, 976540), (157, 814820), (262, 488270), (311, 411340), (314, 407410), (524, 244135), (622, 205670), (628, 203705), (655, 195308), (785, 162964), (1244, 102835), (1310, 97654), (1555, 82268), (1570, 81482), (2620, 48827), (3110, 41134), (3140, 40741), (6220, 20567)]