3172990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:228

約数の個数: 32

約数和(自身を含む): 5987520

約数和(自身を除く): 2814530

約数列:

[1, 2, 5, 10, 41, 71, 82, 109, 142, 205, 218, 355, 410, 545, 710, 1090, 2911, 4469, 5822, 7739, 8938, 14555, 15478, 22345, 29110, 38695, 44690, 77390, 317299, 634598, 1586495, 3172990]

約数ペア:

[(1, 3172990), (2, 1586495), (5, 634598), (10, 317299), (41, 77390), (71, 44690), (82, 38695), (109, 29110), (142, 22345), (205, 15478), (218, 14555), (355, 8938), (410, 7739), (545, 5822), (710, 4469), (1090, 2911)]