89281220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{637723}}^1$

素因数の和:637739

約数の個数: 24

約数和(自身を含む): 214275264

約数和(自身を除く): 124994044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 637723, 1275446, 2550892, 3188615, 4464061, 6377230, 8928122, 12754460, 17856244, 22320305, 44640610, 89281220]

約数ペア:

[(1, 89281220), (2, 44640610), (4, 22320305), (5, 17856244), (7, 12754460), (10, 8928122), (14, 6377230), (20, 4464061), (28, 3188615), (35, 2550892), (70, 1275446), (140, 637723)]