1722045940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{117787}}^1$

素因数の和:117856

約数の個数: 48

約数和(自身を含む): 3918100032

約数和(自身を除く): 2196054092

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 2924, 3655, 7310, 14620, 117787, 235574, 471148, 588935, 1177870, 2002379, 2355740, 4004758, 5064841, 8009516, 10011895, 10129682, 20023790, 20259364, 25324205, 40047580, 50648410, 86102297, 101296820, 172204594, 344409188, 430511485, 861022970, 1722045940]

約数ペア:

[(1, 1722045940), (2, 861022970), (4, 430511485), (5, 344409188), (10, 172204594), (17, 101296820), (20, 86102297), (34, 50648410), (43, 40047580), (68, 25324205), (85, 20259364), (86, 20023790), (170, 10129682), (172, 10011895), (215, 8009516), (340, 5064841), (430, 4004758), (731, 2355740), (860, 2002379), (1462, 1177870), (2924, 588935), (3655, 471148), (7310, 235574), (14620, 117787)]