207974440

素因数分解:

$2^3\times 5^1\times {\mathrm{2221}}^1\times {\mathrm{2341}}^1$

素因数の和:4573

約数の個数: 32

約数和(自身を含む): 468353160

約数和(自身を除く): 260378720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2221, 2341, 4442, 4682, 8884, 9364, 11105, 11705, 17768, 18728, 22210, 23410, 44420, 46820, 88840, 93640, 5199361, 10398722, 20797444, 25996805, 41594888, 51993610, 103987220, 207974440]

約数ペア:

[(1, 207974440), (2, 103987220), (4, 51993610), (5, 41594888), (8, 25996805), (10, 20797444), (20, 10398722), (40, 5199361), (2221, 93640), (2341, 88840), (4442, 46820), (4682, 44420), (8884, 23410), (9364, 22210), (11105, 18728), (11705, 17768)]