280056490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{65587}}^1$

素因数の和:65662

約数の個数: 32

約数和(自身を含む): 585569664

約数和(自身を除く): 305513174

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 610, 854, 2135, 4270, 65587, 131174, 327935, 459109, 655870, 918218, 2295545, 4000807, 4591090, 8001614, 20004035, 28005649, 40008070, 56011298, 140028245, 280056490]

約数ペア:

[(1, 280056490), (2, 140028245), (5, 56011298), (7, 40008070), (10, 28005649), (14, 20004035), (35, 8001614), (61, 4591090), (70, 4000807), (122, 2295545), (305, 918218), (427, 655870), (610, 459109), (854, 327935), (2135, 131174), (4270, 65587)]