216424280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{318271}}^1$

素因数の和:318299

約数の個数: 32

約数和(自身を含む): 515600640

約数和(自身を除く): 299176360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 318271, 636542, 1273084, 1591355, 2546168, 3182710, 5410607, 6365420, 10821214, 12730840, 21642428, 27053035, 43284856, 54106070, 108212140, 216424280]

約数ペア:

[(1, 216424280), (2, 108212140), (4, 54106070), (5, 43284856), (8, 27053035), (10, 21642428), (17, 12730840), (20, 10821214), (34, 6365420), (40, 5410607), (68, 3182710), (85, 2546168), (136, 1591355), (170, 1273084), (340, 636542), (680, 318271)]