86747080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{309811}}^1$

素因数の和:309829

約数の個数: 32

約数和(自身を含む): 223064640

約数和(自身を除く): 136317560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 309811, 619622, 1239244, 1549055, 2168677, 2478488, 3098110, 4337354, 6196220, 8674708, 10843385, 12392440, 17349416, 21686770, 43373540, 86747080]

約数ペア:

[(1, 86747080), (2, 43373540), (4, 21686770), (5, 17349416), (7, 12392440), (8, 10843385), (10, 8674708), (14, 6196220), (20, 4337354), (28, 3098110), (35, 2478488), (40, 2168677), (56, 1549055), (70, 1239244), (140, 619622), (280, 309811)]