690473290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{599}}^1\times {\mathrm{8867}}^1$

素因数の和:9486

約数の個数: 32

約数和(自身を含む): 1340841600

約数和(自身を除く): 650368310

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 599, 1198, 2995, 5990, 7787, 8867, 15574, 17734, 38935, 44335, 77870, 88670, 115271, 230542, 576355, 1152710, 5311333, 10622666, 26556665, 53113330, 69047329, 138094658, 345236645, 690473290]

約数ペア:

[(1, 690473290), (2, 345236645), (5, 138094658), (10, 69047329), (13, 53113330), (26, 26556665), (65, 10622666), (130, 5311333), (599, 1152710), (1198, 576355), (2995, 230542), (5990, 115271), (7787, 88670), (8867, 77870), (15574, 44335), (17734, 38935)]