277455220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:461

約数の個数: 96

約数和(自身を含む): 684343296

約数和(自身を除く): 406888076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 103, 140, 142, 206, 271, 284, 355, 412, 497, 515, 542, 710, 721, 994, 1030, 1084, 1355, 1420, 1442, 1897, 1988, 2060, 2485, 2710, 2884, 3605, 3794, 4970, 5420, 7210, 7313, 7588, 9485, 9940, 14420, 14626, 18970, 19241, 27913, 29252, 36565, 37940, 38482, 51191, 55826, 73130, 76964, 96205, 102382, 111652, 134687, 139565, 146260, 192410, 195391, 204764, 255955, 269374, 279130, 384820, 390782, 511910, 538748, 558260, 673435, 781564, 976955, 1023820, 1346870, 1953910, 1981823, 2693740, 3907820, 3963646, 7927292, 9909115, 13872761, 19818230, 27745522, 39636460, 55491044, 69363805, 138727610, 277455220]

約数ペア:

[(1, 277455220), (2, 138727610), (4, 69363805), (5, 55491044), (7, 39636460), (10, 27745522), (14, 19818230), (20, 13872761), (28, 9909115), (35, 7927292), (70, 3963646), (71, 3907820), (103, 2693740), (140, 1981823), (142, 1953910), (206, 1346870), (271, 1023820), (284, 976955), (355, 781564), (412, 673435), (497, 558260), (515, 538748), (542, 511910), (710, 390782), (721, 384820), (994, 279130), (1030, 269374), (1084, 255955), (1355, 204764), (1420, 195391), (1442, 192410), (1897, 146260), (1988, 139565), (2060, 134687), (2485, 111652), (2710, 102382), (2884, 96205), (3605, 76964), (3794, 73130), (4970, 55826), (5420, 51191), (7210, 38482), (7313, 37940), (7588, 36565), (9485, 29252), (9940, 27913), (14420, 19241), (14626, 18970)]