26494790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:549

約数の個数: 48

約数和(自身を含む): 56019600

約数和(自身を除く): 29524810

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 139, 245, 278, 389, 490, 695, 778, 973, 1390, 1945, 1946, 2723, 3890, 4865, 5446, 6811, 9730, 13615, 13622, 19061, 27230, 34055, 38122, 54071, 68110, 95305, 108142, 190610, 270355, 378497, 540710, 756994, 1892485, 2649479, 3784970, 5298958, 13247395, 26494790]

約数ペア:

[(1, 26494790), (2, 13247395), (5, 5298958), (7, 3784970), (10, 2649479), (14, 1892485), (35, 756994), (49, 540710), (70, 378497), (98, 270355), (139, 190610), (245, 108142), (278, 95305), (389, 68110), (490, 54071), (695, 38122), (778, 34055), (973, 27230), (1390, 19061), (1945, 13622), (1946, 13615), (2723, 9730), (3890, 6811), (4865, 5446)]