2018449580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{103723}}^1$

素因数の和:103878

約数の個数: 48

約数和(自身を含む): 4879176960

約数和(自身を除く): 2860727380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4865, 9730, 19460, 103723, 207446, 414892, 518615, 726061, 1037230, 1452122, 2074460, 2904244, 3630305, 7260610, 14417497, 14521220, 28834994, 57669988, 72087485, 100922479, 144174970, 201844958, 288349940, 403689916, 504612395, 1009224790, 2018449580]

約数ペア:

[(1, 2018449580), (2, 1009224790), (4, 504612395), (5, 403689916), (7, 288349940), (10, 201844958), (14, 144174970), (20, 100922479), (28, 72087485), (35, 57669988), (70, 28834994), (139, 14521220), (140, 14417497), (278, 7260610), (556, 3630305), (695, 2904244), (973, 2074460), (1390, 1452122), (1946, 1037230), (2780, 726061), (3892, 518615), (4865, 414892), (9730, 207446), (19460, 103723)]