280637856

素因数分解:

$2^5\times 3^2\times {\mathrm{974437}}^1$

素因数の和:974453

約数の個数: 36

約数和(自身を含む): 798064722

約数和(自身を除く): 517426866

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 974437, 1948874, 2923311, 3897748, 5846622, 7795496, 8769933, 11693244, 15590992, 17539866, 23386488, 31181984, 35079732, 46772976, 70159464, 93545952, 140318928, 280637856]

約数ペア:

[(1, 280637856), (2, 140318928), (3, 93545952), (4, 70159464), (6, 46772976), (8, 35079732), (9, 31181984), (12, 23386488), (16, 17539866), (18, 15590992), (24, 11693244), (32, 8769933), (36, 7795496), (48, 5846622), (72, 3897748), (96, 2923311), (144, 1948874), (288, 974437)]