207507580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{911}}^1\times {\mathrm{1627}}^1$

素因数の和:2554

約数の個数: 48

約数和(自身を含む): 498871296

約数和(自身を除く): 291363716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 911, 1627, 1822, 3254, 3644, 4555, 6377, 6508, 8135, 9110, 11389, 12754, 16270, 18220, 22778, 25508, 31885, 32540, 45556, 56945, 63770, 113890, 127540, 227780, 1482197, 2964394, 5928788, 7410985, 10375379, 14821970, 20750758, 29643940, 41501516, 51876895, 103753790, 207507580]

約数ペア:

[(1, 207507580), (2, 103753790), (4, 51876895), (5, 41501516), (7, 29643940), (10, 20750758), (14, 14821970), (20, 10375379), (28, 7410985), (35, 5928788), (70, 2964394), (140, 1482197), (911, 227780), (1627, 127540), (1822, 113890), (3254, 63770), (3644, 56945), (4555, 45556), (6377, 32540), (6508, 31885), (8135, 25508), (9110, 22778), (11389, 18220), (12754, 16270)]