290061880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{1291}}^1$

素因数の和:1480

約数の個数: 64

約数和(自身を含む): 673958880

約数和(自身を除く): 383897000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 137, 164, 205, 274, 328, 410, 548, 685, 820, 1096, 1291, 1370, 1640, 2582, 2740, 5164, 5480, 5617, 6455, 10328, 11234, 12910, 22468, 25820, 28085, 44936, 51640, 52931, 56170, 105862, 112340, 176867, 211724, 224680, 264655, 353734, 423448, 529310, 707468, 884335, 1058620, 1414936, 1768670, 2117240, 3537340, 7074680, 7251547, 14503094, 29006188, 36257735, 58012376, 72515470, 145030940, 290061880]

約数ペア:

[(1, 290061880), (2, 145030940), (4, 72515470), (5, 58012376), (8, 36257735), (10, 29006188), (20, 14503094), (40, 7251547), (41, 7074680), (82, 3537340), (137, 2117240), (164, 1768670), (205, 1414936), (274, 1058620), (328, 884335), (410, 707468), (548, 529310), (685, 423448), (820, 353734), (1096, 264655), (1291, 224680), (1370, 211724), (1640, 176867), (2582, 112340), (2740, 105862), (5164, 56170), (5480, 52931), (5617, 51640), (6455, 44936), (10328, 28085), (11234, 25820), (12910, 22468)]